Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4527806 | Valve stem packing | William J. Jakubowski | 1985-07-09 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4527806 | Valve stem packing | William J. Jakubowski | 1985-07-09 |