WO200136882-A -- DE3002315-A   LUDWIG E (LUDW-Individual)   LUDWIG E;  DE3219750-A   HAAG E W (HAAG-Individual)   HAAG E W;  DE3623578-A   KIRSCHNING H J (KIRS-Individual)   KIRSCHNING H J;  DE4134749-A   HAPKE H (HAPK-Individual)   HAPKE H;  EP11138-A   BBC BROWN BOVERI & CIE AG (BROV)   HEIDTMANN U;  US2624298-A   ;  US4083360-A   BATTELLE-INST EV (BATT);  US4244353-A   STRAZA G T (STRA-Individual);  US4278071-A   MACLEAN J D W (MACL-Individual);  CRESENT ROOFING CO (CRES-Non-standard)   EDWAR K O P;  US4284065-A   CRESCENT ROOFING CO LTD (CRES-Non-standard)   BRILLEDWAR K O P;  US4299201-A   TSUBOTA J (TSUB-Individual)   TSUBOTA J;  US4359043-A   GAZEL D (GAZE-Individual);  US4382435-A   MACLEAN J D W (MACL-Individual);  CRESENT ROOFING CO (CRES-Non-standard)   EDWAR K O P;  US4393859-A   ARMCO INC (ARMC)   MAROSSY G,  MUELLER W E;  US4405396-A   CRESCENT ROOFING CO LTD (CRES-Non-standard)   BRILLEDWAR K O P;  US4428360-A   COHEN H S (COHE-Individual)   COHEN H S;  US4428361-A   STRAZA G T (STRA-Individual);  US4953537-A   INNER SOLAR ROOF SY (INNE-Non-standard)   ALLEGRO J;  US4967729-A   OHEM KENKYUJYO (OHEM-Non-standard)   OKUMURA A;  US5022381-A   ALLEGRO J (ALLE-Individual)   ALLEGRO J;  US5651226-A   ARCHIBALD J P (ARCH-Individual)   ARCHIBALD J P;  WO200136882-A1 -- DE3002315-A   LUDWIG E (LUDW-Individual)   LUDWIG E;  DE3219750-A   HAAG E W (HAAG-Individual)   HAAG E W;  DE3623578-A   KIRSCHNING H J (KIRS-Individual)   KIRSCHNING H J;  DE4134749-A1   HAPKE H (HAPK-Individual)   HAPKE H;  EP11138-A   BBC BROWN BOVERI & CIE AG (BROV)   HEIDTMANN U;  US2624298-A   ;  US4083360-A   BATTELLE-INST EV (BATT);  US4244353-A   STRAZA G T (STRA-Individual);  US4278071-A   MACLEAN J D W (MACL-Individual);  CRESENT ROOFING CO (CRES-Non-standard)   EDWAR K O P;  US4284065-A   CRESCENT ROOFING CO LTD (CRES-Non-standard)   BRILLEDWAR K O P;  US4299201-A   TSUBOTA J (TSUB-Individual)   TSUBOTA J;  US4359043-A   GAZEL D (GAZE-Individual);  US4382435-A   MACLEAN J D W (MACL-Individual);  CRESENT ROOFING CO (CRES-Non-standard)   EDWAR K O P;  US4393859-A   ARMCO INC (ARMC)   MAROSSY G,  MUELLER W E;  US4405396-A   CRESCENT ROOFING CO LTD (CRES-Non-standard)   BRILLEDWAR K O P;  US4428360-A   COHEN H S (COHE-Individual)   COHEN H S;  US4428361-A   STRAZA G T (STRA-Individual);  US4953537-A   INNER SOLAR ROOF SY (INNE-Non-standard)   ALLEGRO J;  US4967729-A   OHEM KENKYUJYO (OHEM-Non-standard)   OKUMURA A;  US5022381-A   ALLEGRO J (ALLE-Individual)   ALLEGRO J;  US5651226-A   ARCHIBALD J P (ARCH-Individual)   ARCHIBALD J P