Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4189157 | End face shaft seal | Dudley E. Mahan, James D. Mahan, Ronnie L. Mahan, Walter D. Sewell | 1980-02-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4189157 | End face shaft seal | Dudley E. Mahan, James D. Mahan, Ronnie L. Mahan, Walter D. Sewell | 1980-02-19 |