KW POWERSOURCE, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4855196 Multilaminate material and separator assembly for electrochemical cellsExpiredJun 23, 88Aug 08, 89[H01M]
4716944 Tubular plate electrode slurry filling process and apparatus for lead-acid cellsExpiredFeb 25, 87Jan 05, 88[H01M, B65B]
4678730 Tubular plate electrode slurry filling process and apparatus for lead-acid cellsExpiredDec 04, 85Jul 07, 87[H01M]
4433294 Method and apparatus for testing a batteryExpiredJun 05, 81Feb 21, 84[G01N]
4396880 Method and apparatus for charging a batteryExpiredJun 05, 81Aug 02, 83[H02J]

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