Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411439 | Sealing member with anti-extrusion means and protective coating | James E. Ray | 1983-10-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411439 | Sealing member with anti-extrusion means and protective coating | James E. Ray | 1983-10-25 |