Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744572 | All-metal, valve sealing mechanism | Harry C. Champlin, Jr., John M. Cory | 1988-05-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744572 | All-metal, valve sealing mechanism | Harry C. Champlin, Jr., John M. Cory | 1988-05-17 |