EP1674424-A1 -- US3857927-A   ROCKWELL INT CORP (ROCW);  US4008050-A   BETZ E C (BETZ-Individual)   BETZ E C;  US4048387-A   ACCUMULATOREN HOPPECKE ZOELLNER (HOPP);  US20010042344-A1   ;  WO2006069758-A1 -- US3857927-A   ROCKWELL INT CORP (ROCW);  US4008050-A   BETZ E C (BETZ-Individual)   BETZ E C;  US4048387-A   ACCUMULATOREN HOPPECKE ZOELLNER (HOPP);  US20010042344-A1   ;  US2008166275-A1 -- US2943921-A   ;  US3857927-A   ROCKWELL INT CORP (ROCW);  US4002496-A   NIPPON STORAGE BATTERY CO LTD (NIST);  US4008050-A   BETZ E C (BETZ-Individual)   BETZ E C;  US4048387-A   ACCUMULATOREN HOPPECKE ZOELLNER (HOPP);  US4139603-A   WESTINGHOUSE ELECTRIC CORP (WESE)   WEEMS S J,  MCCURDY H W;  US4228132-A   WESTINGHOUSE ELECTRIC CORP (WESE);  AMTRUST AG (AMTR-Non-standard)   WEEMS S J,  MCCURDY H W;  US5108714-A   NGK INSULATORS LTD (NIGA)   IWATTA K,  OKAMOTO M;  US5167908-A   GRS GES REAKTORSICHERHEIT MBH (GRSR-Non-standard)   CHAKRABORTY A K;  US20010042344-A1   ;  US20030161786-A1   ;  US6254841-B1   ACCUMULATORENWERKE HOPPECKE ZOELLNER KAR (HOPP)   KESPER H,  LAHME N,  VIELHABER U;  US7722834-B2 -- CN1275248-A   ACCUMULATORENWERKE HOPPECKE ZOELLNER KAR (HOPP)   KESPER H,  LAHME N,  VIELHABER U;  US2943921-A   ;  US3857927-A   ROCKWELL INT CORP (ROCW);  US4002496-A   NIPPON STORAGE BATTERY CO LTD (NIST);  US4008050-A   BETZ E C (BETZ-Individual)   BETZ E C;  US4048387-A   ACCUMULATOREN HOPPECKE ZOELLNER (HOPP);  US4139603-A   WESTINGHOUSE ELECTRIC CORP (WESE)   WEEMS S J,  MCCURDY H W;  US4228132-A   WESTINGHOUSE ELECTRIC CORP (WESE);  AMTRUST AG (AMTR-Non-standard)   WEEMS S J,  MCCURDY H W;  US5108714-A   NGK INSULATORS LTD (NIGA)   IWATTA K,  OKAMOTO M;  US5167908-A   GRS GES REAKTORSICHERHEIT MBH (GRSR-Non-standard)   CHAKRABORTY A K;  US20010042344-A1   ;  US20030161786-A1   ;  US6254841-B1   ACCUMULATORENWERKE HOPPECKE ZOELLNER KAR (HOPP)   KESPER H,  LAHME N,  VIELHABER U;  EP1674424-B1 -- US3857927-A   ROCKWELL INT CORP (ROCW);  US4008050-A   BETZ E C (BETZ-Individual)   BETZ E C;  US4048387-A   ACCUMULATOREN HOPPECKE ZOELLNER (HOPP);  US20010042344-A1   ;  CN101084159-B -- CN1275248-A   ACCUMULATORENWERKE HOPPECKE ZOELLNER KAR (HOPP)   KESPER H,  LAHME N,  VIELHABER U;  US3857927-A   ROCKWELL INT CORP (ROCW);  US4008050-A   BETZ E C (BETZ-Individual)   BETZ E C;  US20010042344-A1