WO200033006-A1 -- US5555748-A   ELCOR CORP (ELCO-Non-standard)   PIERCE M C,  HUDSON H M,  CAMPBELL R E,  WILKINSON J D;  US5568737-A   ELCOR CORP (ELCO-Non-standard)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M;  US5799507-A   ELCOR CORP (ELCO-Non-standard)   WILKINSON J D,  HUDSON H M,  CUELLAR K T;  WO1998047839-A1   ;  US6182469-B1 -- US4157904-A   ORTLOFF CORP (ORTL-Non-standard)   CAMPBELL R E,  WILKINSON J D;  US4171964-A   ORTLOFF CORP (ORTL-Non-standard)   CAMPBELL R E,  WILKINSON J D,  RAMBO C L;  US4185978-A   STANDARD OIL CO INDIANA (STAD);  STANDARD OIL CO OHIO (STAH)   MCGALLIARD R L,  LARRABEE G W;  US4251249-A   RANDALL CORP (RAND-Non-standard)   GULSBY J G;  US4278457-A   ORTLOFF CORP (ORTL-Non-standard)   CAMPBELL R E,  WILKINSON J D;  US4519824-A   RANDALL CORP (RAND-Non-standard)   HUEBEL R R;  US4617039-A   ORTLOFF CORP (ORTL-Non-standard);  PRO-QUIP CORP (PROQ-Non-standard);  ELCOR CORP (ELCO-Non-standard)   BUCK L L;  US4687499-A   MCDERMOTT INT INC (MCDE-Non-standard)   AGHILI H K;  US4689063-A   CIE FR CONS TECHNIP (FRCS-Non-standard);  TECHNIP CIE FR CONS (TCHP)   PARADOWSKI H,  PARFAIT H,  CASTEL J,  VASSEUR A;  US4690702-A   CIE FR ETUD CONS TE (FRCO-Non-standard);  TECHNIP CIE FR ETUD (TCHP)   PARADOWSKI H,  CASTEL J,  PARFAIT H;  US4710214-A   KELLOGG CO M W (PULL)   SHARMA S,  HILL D K,  DURR C A;  US4854955-A   ELCOR CORP (ELCO-Non-standard)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M;  US4869740-A   ELCOR CORP (ELCO-Non-standard)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M;  US4889545-A   ELCOR CORP (ELCO-Non-standard)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M;  US4895584-A   PRO-QUIP CORP (PROQ-Non-standard)   BUCK L L,  KEY R D;  US5275005-A   ELCOR CORP (ELCO-Non-standard)   HUDSON H M,  CAMPBELL R E,  WILKINSON J D;  US5555748-A   ELCOR CORP (ELCO-Non-standard)   PIERCE M C,  HUDSON H M,  CAMPBELL R E,  WILKINSON J D;  US5566554-A   KTI FISH INC (KTIF-Non-standard)   OSTASZEWSKI R J,  VIJAYARAGHAVAN B;  US5568737-A   ELCOR CORP (ELCO-Non-standard)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M;  US5771712-A   ELCOR CORP (ELCO-Non-standard)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M;  US5799507-A   ELCOR CORP (ELCO-Non-standard)   WILKINSON J D,  HUDSON H M,  CUELLAR K T;  US5881569-A   ELCOR CORP (ELCO-Non-standard);  CAMPBELL W P (CAMP-Individual)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M,  CUELLAR K T;  US5890378-A   ELCOR CORP (ELCO-Non-standard)   PIERCE M C,  HUDSON H M,  RAMBO C L,  WILKINSON J D;  US5983664-A   ELCOR CORP (ELCO-Non-standard)   WILKINSON J D,  HUDSON H M,  PIERCE M C,  CAMPBELL R E;  US33408-E   EXXON PRODN RES CO (ESSO)   KHAN S A,  HALIBURTON J;  AU751881-B -- US5555748-A   ELCOR CORP (ELCO-Non-standard)   PIERCE M C,  HUDSON H M,  CAMPBELL R E,  WILKINSON J D;  US5568737-A   ELCOR CORP (ELCO-Non-standard)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M;  US5799507-A   ELCOR CORP (ELCO-Non-standard)   WILKINSON J D,  HUDSON H M,  CUELLAR K T;  EP1137903-B1 -- US5555748-A   ELCOR CORP (ELCO-Non-standard)   PIERCE M C,  HUDSON H M,  CAMPBELL R E,  WILKINSON J D;  US5568737-A   ELCOR CORP (ELCO-Non-standard)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M;  US5799507-A   ELCOR CORP (ELCO-Non-standard)   WILKINSON J D,  HUDSON H M,  CUELLAR K T;  WO1998047839-A1   ;  MY125613-A -- US5275005-A   ELCOR CORP (ELCO-Non-standard)   HUDSON H M,  CAMPBELL R E,  WILKINSON J D;  US5555748-A   ELCOR CORP (ELCO-Non-standard)   PIERCE M C,  HUDSON H M,  CAMPBELL R E,  WILKINSON J D;  US5566554-A   KTI FISH INC (KTIF-Non-standard)   OSTASZEWSKI R J,  VIJAYARAGHAVAN B;  US5568737-A   ELCOR CORP (ELCO-Non-standard)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M;  US5771712-A   ELCOR CORP (ELCO-Non-standard)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M;  US5799507-A   ELCOR CORP (ELCO-Non-standard)   WILKINSON J D,  HUDSON H M,  CUELLAR K T