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| All Patents in class 320/162 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,122,287 | Dec. 29, 1914 | J.F. Lincoln | Charging System for Storage Batteries | battery charging devices | |
| 1,900,058 | Mar. 07, 1933 | W.H. Harstick | Power Plant | power plants | |
| 6,262,560 | Jul. 17, 2001 | D.M. Eggert, T.P. Becker, D.D. Lionberg | Battery Pack Discharge Recovery Circuit | ||