Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6259232 | Battery pack | James M. Douglass, Richard William Ezell | 2001-07-10 | |
| 6218809 | Method for monitoring operating parameters of a rechargeable power supply | Richard William Ezell, James M. Douglass | 2001-04-17 | |
| 6137264 | Battery pack | Richard William Ezell, James M. Douglass | 2000-10-24 | $29,335,000 |
| 5912548 | Battery pack monitoring system | Robert W. Mounger | 1999-06-15 | $7,314,000 |