loadpatents
Patent applications and USPTO patent grants for Engelstein; Charles.The latest application filed is for "top loading battery holder".
Patent | Date |
---|---|
Top loading battery holder Grant 11,018,394 - Blaha , et al. May 25, 2 | 2021-05-25 |
Top Loading Battery Holder App 20190273229 - BLAHA; Thomas ;   et al. | 2019-09-05 |
Top loading battery holder Grant 10,333,116 - Blaha , et al. | 2019-06-25 |
Top Loading Battery Holder App 20180198100 - BLAHA; Thomas ;   et al. | 2018-07-12 |
Battery holder for printed circuit board Grant 9,192,059 - Blaha , et al. November 17, 2 | 2015-11-17 |
Battery Holder For Printed Circuit Board App 20120251864 - Blaha; Thomas ;   et al. | 2012-10-04 |
Horizontal battery holder for cylinder cells Grant 4,495,257 - Engelstein , et al. January 22, 1 | 1985-01-22 |
Battery holder for coin cells Grant 4,487,820 - Engelstein , et al. December 11, 1 | 1984-12-11 |
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