Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5833971 | Perfumed rocks | — | 1998-11-10 |
| 5177468 | Conduit liner monitor | Payam Towfigh, Stuart E. Street | 1993-01-05 |
| 4944325 | Butterfly valve for erosive fluid streams | Charles W. Berscheid | 1990-07-31 |
| 4294330 | Mufflers for percussive pneumatic machines | Vernon Hampton, Tony F. W. Embleton | 1981-10-13 |