Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893781 | Stem packing assembly for frequent cycling valve | Terry M. Kalain, Peter C. Williams | 1990-01-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893781 | Stem packing assembly for frequent cycling valve | Terry M. Kalain, Peter C. Williams | 1990-01-16 |