Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404287 | Method and apparatus for determining chemical species | Derek Midgley | 1983-09-13 |
| 4359441 | Polymeric filaments and process for forming such material | Ivan Barker | 1982-11-16 |
| 4265426 | Butterfly valve | Victor N. Thurston | 1981-05-05 |