Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228470 | Self draining hose connection dual check valve back flow preventer | John Lair, Lawrence F. Luckenbill, Richard J. Holliday | 1993-07-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228470 | Self draining hose connection dual check valve back flow preventer | John Lair, Lawrence F. Luckenbill, Richard J. Holliday | 1993-07-20 |