Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8357469 | Bipolar battery assembly | Edward O. Shaffer, II | 2013-01-22 |
| 7589491 | Temperature compensation in recharging of batteries | — | 2009-09-15 |
| 7129675 | System and method for battery charging | — | 2006-10-31 |
| 6164309 | Liquid filling device | — | 2000-12-26 |
| 6087805 | Monitoring and controlling system for battery and battery charger | Charles Langston, James J. Dean, Ronald E. Long, James Carrier, James R. Kerlin +3 more | 2000-07-11 |
| 5593797 | Electrode plate construction | — | 1997-01-14 |
| 5543243 | Battery electrolyte circulation system | — | 1996-08-06 |
| 5426916 | Liquid-impregnated protective sheet and method of use | Thomas E. Grigsby, John W. Swanson | 1995-06-27 |
| 5091275 | Glass fiber separator and method of making | John Windisch | 1992-02-25 |
| 4931367 | Low float technology battery | David O. Feder, Joseph M. McAndrews, Allan J. Williamson | 1990-06-05 |
| 4752545 | Post seal and method of manufacture for lead-acid batteries | Sudhan S. Misra | 1988-06-21 |
| 4683647 | Post seal and method of manufacture for lead-acid batteries | Sudhan S. Misra | 1987-08-04 |
| 4386141 | Watering device for batteries | Evert C. Weidner | 1983-05-31 |