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| All Patents in class 340/636.15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,426,371 | Jun. 20, 1995 | R.D. Braun, P.A. Willems, R.D. Geisler, D.G. Thibedeau, T.P. Becker, S.S. Rameshk, G.E. Salley | Automatic Battery and Charging System Tester with Motor-Driven Carbon Pile Loading | ||
| 5,773,978 | Jun. 30, 1998 | T.P. Becker | Battery Impedance Monitor | ||