Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883213 | Explosive diving tool apparatus with improved extractor | — | 1989-11-28 |
| 4877171 | Indirect firing fastener driving apparatus with firing power adjustment | — | 1989-10-31 |
| 4854793 | Cone expansion wall plug | Jean-François Ollivier | 1989-08-08 |
| 4848209 | Sealing or driving apparatus for work underwater | — | 1989-07-18 |
| 4824003 | Indirect firing fastener driving tool | Jean-Claude Vernerey | 1989-04-25 |