Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4622508 | Lithium battery protection circuit | Michel Matteau, Christopher L. Gardner | 1986-11-11 |
| 4404809 | Liquid nitrogen level controller | Arthur W. Johnson, III | 1983-09-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4622508 | Lithium battery protection circuit | Michel Matteau, Christopher L. Gardner | 1986-11-11 |
| 4404809 | Liquid nitrogen level controller | Arthur W. Johnson, III | 1983-09-20 |