US2008066974-A1 -- US2495573-A   ;  US2635703-A   ;  US2978053-A   ;  US3566986-A   ;  US4019402-A   LEONHEART W H (LEON-Individual)   LEONHEART W H;  US4274503-A   MACKINTOSH C (MACK-Individual)   MACKINTOSH C;  US4403673-A   BALL D (BALL-Individual)   BALL D;  US4513832-A   PERMOBIL AB (PERM-Non-standard)   ENGMAN B;  US4759418-A   GOLDENFELD I (GOLD-Individual);  PROPEL PARTNERSHIP (PROP-Non-standard)   GOLDENFELD I,  MAUTNER Y,  MASTOV E;  US5222567-A   GENUS MEDICAL INC (GENU-Non-standard)   BROADHEAD D G,  HOBSON B M;  US5494126-A   MEEKER G L (MEEK-Individual)   MEEKER G L;  US5575348-A   INVACARE CORP (INVA-Non-standard)   GOERTZEN G G,  CURRAN N J,  MOLNAR J H;  US5778996-A   PRIOR R E (PRIO-Individual);  HARRIS S R (HARR-Individual)   PRIOR R E,  HARRIS S R;  US5853059-A   INVACARE CORP (INVA-Non-standard)   GOERTZEN G G,  CURRAN N J,  MOLNAR J H;  US5904214-A   LIN D J (LIND-Individual)   LIN D J;  US5937704-A   HONDA GIKEN KOGYO KK (HOND)   SHIMIZU Y,  TABATA H;  US5937959-A   FUJII N (FUJI-Individual);  ITO M (ITOM-Individual);  HARA T (HARA-Individual);  SEKI K (SEKI-Individual)   FUJII N,  ITO M,  HARA T,  SEKI K;  US5941339-A   HONDA MOTOR CO LTD (HOND)   SHIMIZU Y,  TABATA H;  US5944131-A   PRIDE HEALTH CARE INC (PRID-Non-standard)   ANTONISHAK S J,  MULHERN J P,  SCHAFFNER W E;  US5964473-A   DEGONDA REHAB SA (DEGO-Non-standard)   DEGONDA A,  WUTHRICH T;  US6053273-A   HONDA MOTOR CO LTD (HOND)   SHIMIZU Y,  TABATA H;  US6053781-A   LITTLETON A W (LITT-Individual)   LITTLETON A W;  US6125962-A   HONDA GIKEN KOGYO KK (HOND)   SHIMIZU Y,  TABATA H;  US20050257966-A1   ;  US20060053936-A1   ;  US20080264702-A1   ;  US6196343-B1   ROLLERCHAIR PTY LTD (ROLL-Non-standard)   STRAUTNIEKS M;  US6199647-B1   PRIDE MOBILITY PROD CORP (PRID-Non-standard)   SCHAFFNER W E,  MULHERN J P,  ANTONISHAK S J;  US6209670-B1   SUNNYBROOK & WOMEN'S COLLEGE HEALTH SCI (SUNN-Non-standard)   FERNIE G R,  GRIGGS G T;  US6357776-B1   INVACARE CORP (INVA-Non-standard)   GOERTZEN G G,  SETACCI A J,  COCKRAM G,  DINNER T M,  POGIR H;  US6413126-B1   JOHNSON V A (JOHN-Individual)   JOHNSON V A;  US6474434-B1   BORRINGIA IND AG (BORR-Non-standard)   BECH M I;  US6554086-B1   INVACARE CORP (INVA-Non-standard)   GOERTZEN G,  NULL W A;  US6725956-B1   STRYKER CORP (STYC)   LEMIRE G;  US6752230-B1   HUANG S S (HUAN-Individual)   HUANG S S;  US6481514-B2   FUJI JUKOGYO KK (FUJH)   TAKADA Y;  US6640916-B2   PRIDE MOBILITY PROD CORP (PRID-Non-standard)   SCHAFFNER W E,  MULHERN J P,  ANTONISHAK S J;  US6938711-B2   KIME M C (KIME-Individual);  JOHNSTON R H (JOHN-Individual)   KIME M C,  JOHNSTON R H;  US7066480-B2   BRICHET R (BRIC-Individual)   BRICHET R;  US7389835-B2   PRIDE MOBILITY PROD CORP (PRID-Non-standard)   MULHERN J P,  LEVI R,  GRYMKO C E;  US7413038-B2   PRIDE MOBILITY PROD CORP (PRID-Non-standard)   MULHERN J P,  LEVI R,  GRYMKO C E;  US7562903-B2   BURKE INC (BURK-Non-standard)   KRAMER D E,  MELLIES B W;  US7882909-B2 -- US2495573-A   ;  US2635703-A   ;  US2978053-A   ;  US3566986-A   ;  US4019402-A   LEONHEART W H (LEON-Individual)   LEONHEART W H;  US4274503-A   MACKINTOSH C (MACK-Individual)   MACKINTOSH C;  US4403673-A   BALL D (BALL-Individual)   BALL D;  US4513832-A   PERMOBIL AB (PERM-Non-standard)   ENGMAN B;  US4759418-A   GOLDENFELD I (GOLD-Individual);  PROPEL PARTNERSHIP (PROP-Non-standard)   GOLDENFELD I,  MAUTNER Y,  MASTOV E;  US5222567-A   GENUS MEDICAL INC (GENU-Non-standard)   BROADHEAD D G,  HOBSON B M;  US5494126-A   MEEKER G L (MEEK-Individual)   MEEKER G L;  US5575348-A   INVACARE CORP (INVA-Non-standard)   GOERTZEN G G,  CURRAN N J,  MOLNAR J H;  US5778996-A   PRIOR R E (PRIO-Individual);  HARRIS S R (HARR-Individual)   PRIOR R E,  HARRIS S R;  US5853059-A   INVACARE CORP (INVA-Non-standard)   GOERTZEN G G,  CURRAN N J,  MOLNAR J H;  US5904214-A   LIN D J (LIND-Individual)   LIN D J;  US5937704-A   HONDA GIKEN KOGYO KK (HOND)   SHIMIZU Y,  TABATA H;  US5937959-A   FUJII N (FUJI-Individual);  ITO M (ITOM-Individual);  HARA T (HARA-Individual);  SEKI K (SEKI-Individual)   FUJII N,  ITO M,  HARA T,  SEKI K;  US5941339-A   HONDA MOTOR CO LTD (HOND)   SHIMIZU Y,  TABATA H;  US5944131-A   PRIDE HEALTH CARE INC (PRID-Non-standard)   ANTONISHAK S J,  MULHERN J P,  SCHAFFNER W E;  US5964473-A   DEGONDA REHAB SA (DEGO-Non-standard)   DEGONDA A,  WUTHRICH T;  US6053273-A   HONDA MOTOR CO LTD (HOND)   SHIMIZU Y,  TABATA H;  US6053781-A   LITTLETON A W (LITT-Individual)   LITTLETON A W;  US6125962-A   HONDA GIKEN KOGYO KK (HOND)   SHIMIZU Y,  TABATA H;  US20050257966-A1   ;  US20060053936-A1   ;  US20080264702-A1   ;  US6196343-B1   ROLLERCHAIR PTY LTD (ROLL-Non-standard)   STRAUTNIEKS M;  US6199647-B1   PRIDE MOBILITY PROD CORP (PRID-Non-standard)   SCHAFFNER W E,  MULHERN J P,  ANTONISHAK S J;  US6209670-B1   SUNNYBROOK & WOMEN'S COLLEGE HEALTH SCI (SUNN-Non-standard)   FERNIE G R,  GRIGGS G T;  US6357776-B1   INVACARE CORP (INVA-Non-standard)   GOERTZEN G G,  SETACCI A J,  COCKRAM G,  DINNER T M,  POGIR H;  US6413126-B1   JOHNSON V A (JOHN-Individual)   JOHNSON V A;  US6474434-B1   BORRINGIA IND AG (BORR-Non-standard)   BECH M I;  US6554086-B1   INVACARE CORP (INVA-Non-standard)   GOERTZEN G,  NULL W A;  US6725956-B1   STRYKER CORP (STYC)   LEMIRE G;  US6752230-B1   HUANG S S (HUAN-Individual)   HUANG S S;  US6481514-B2   FUJI JUKOGYO KK (FUJH)   TAKADA Y;  US6640916-B2   PRIDE MOBILITY PROD CORP (PRID-Non-standard)   SCHAFFNER W E,  MULHERN J P,  ANTONISHAK S J;  US6938711-B2   KIME M C (KIME-Individual);  JOHNSTON R H (JOHN-Individual)   KIME M C,  JOHNSTON R H;  US7066480-B2   BRICHET R (BRIC-Individual)   BRICHET R;  US7389835-B2   PRIDE MOBILITY PROD CORP (PRID-Non-standard)   MULHERN J P,  LEVI R,  GRYMKO C E;  US7413038-B2   PRIDE MOBILITY PROD CORP (PRID-Non-standard)   MULHERN J P,  LEVI R,  GRYMKO C E;  US7562903-B2   BURKE INC (BURK-Non-standard)   KRAMER D E,  MELLIES B W