Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420010 | In-line back flow preventer | Bernard Becker, John K. Bowman | 1983-12-13 |
| 4284097 | In line back flow preventer | Bernard Becker, John K. Bowman | 1981-08-18 |
| 4232704 | In line back flow preventer | Bernard S. Becker, John K. Bowman | 1980-11-11 |
| 4207915 | Back flow preventer | Bernard Becker, John K. Bowman | 1980-06-17 |