Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764109 | Hammer union and seal therefor | H. Gary Richardson | 2004-07-20 |
| 4323524 | Production of fibres | — | 1982-04-06 |
| 4294783 | Spinning process and apparatus | — | 1981-10-13 |
| 4288397 | Spinning process and apparatus | Margaret L. Steel | 1981-09-08 |