Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622371 | Stuffing box with improved packing rings and method | J. William Heathcott, Stephen L. Witte, Sr. | 1997-04-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622371 | Stuffing box with improved packing rings and method | J. William Heathcott, Stephen L. Witte, Sr. | 1997-04-22 |