Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5421562 | Gas-shielded siphonic valve | — | 1995-06-06 |
| 5398750 | Quiescent-flow metal pourer | Paul N. Crepeau, Gordon Alwin Tooley | 1995-03-21 |
| 4828006 | Lost foam pour box and lost foam casting process | — | 1989-05-09 |
| 4805842 | Rotary mace adapter block | — | 1989-02-21 |