Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D379493 | Gasket seal | — | 1997-05-27 |
| 5603511 | Expandable seal assembly with anti-extrusion backup | William Keyser, Merle L. Bell, Ronney P. Edwards | 1997-02-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D379493 | Gasket seal | — | 1997-05-27 |
| 5603511 | Expandable seal assembly with anti-extrusion backup | William Keyser, Merle L. Bell, Ronney P. Edwards | 1997-02-18 |