Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4310608 | Separator incorporating liquid layer | Allen Charkey | 1982-01-12 |
| 4279978 | Battery separator employing zinc selective additive materials | Allen Charkey | 1981-07-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4310608 | Separator incorporating liquid layer | Allen Charkey | 1982-01-12 |
| 4279978 | Battery separator employing zinc selective additive materials | Allen Charkey | 1981-07-21 |