Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952468 | Storage battery having a protective shield | Carl J. Abraham | 1990-08-28 |
| 4770958 | Storage battery having a protective shield | Carl L. Abraham | 1988-09-13 |
| 4699855 | Storage battery having a protective shield | Carl J. Abraham, Stanley Bindman | 1987-10-13 |
| 4631758 | Protective headgear | Carl J. Abraham | 1986-12-30 |
| 4342122 | Protective headgear | Carl J. Abraham | 1982-08-03 |