Bipolar Power Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5916709 Bipolar lead-acid batteryExpiredJul 30, 96Jun 29, 99[H01M]
5645959 Battery plates with self-passivating iron cores and mixed acid electrolyteExpiredJul 29, 94Jul 08, 97[H01M]
5643696 Battery plates with lightweight coresExpiredSep 05, 95Jul 01, 97[H01M]
5618641 Bipolar battery constructionExpiredDec 03, 93Apr 08, 97[H01M]
5368960 Utilization efficiencies by using high sulfate starting materialsExpiredJul 23, 93Nov 29, 94[H01M]
5334464 Lightweight battery platesExpiredAug 20, 92Aug 02, 94[H01M]

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