Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5401593 | High temperature secondary batteries | John B. Jones, Jr., David R. Moore | 1995-03-28 |
| 5086880 | Elevator traveling cable grip | — | 1992-02-11 |
| 5028499 | Charge balancing of rechargeable batteries | Graham Hazzard | 1991-07-02 |
| 4189529 | High temperature secondary cells | Denis C. P. Birt, Colin R. Feltham, Graham Hazzard | 1980-02-19 |
| 4185143 | Water activated batteries | Dennis C. P. Birt | 1980-01-22 |