Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D345006 | Valve | Michael T. Gallagher, Peter C. Williams | 1994-03-08 |
| 5074599 | Tube fitting | Stephen R. Wirbel, Joseph M. Stenger, Lonnie E. Johnston, Appasaheb T. Patil, Peter C. Williams | 1991-12-24 |
| D312121 | Valve body | Peter C. Williams | 1990-11-13 |
| 4762301 | Compact multi-service ball valve | Robert C. Stewart, Peter C. Williams | 1988-08-09 |
| 4750708 | High strength ball valve seat assembly | Edward M. Yusko, Jr., Peter C. Williams | 1988-06-14 |
| 4660591 | Ball valve and seat assembly | Cal R. Brown, Michael T. Gallagher, Peter C. Williams | 1987-04-28 |