Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4545231 | Method of manufacturing a weld neck flange | Walter L. Connolly | 1985-10-08 |
| 4339112 | Integral end closure and hub for valve body and method of forming same | Walter L. Connolly | 1982-07-13 |