Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242961 | Chevron grooved decoupling obturator | James Wagner, Jonnie O. Hyder | 1981-01-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242961 | Chevron grooved decoupling obturator | James Wagner, Jonnie O. Hyder | 1981-01-06 |