Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D488691 | Bottle cap wrench | — | 2004-04-20 |
| 5512031 | Method of centrifugal separation with load sensing circuit for optimizing cleaning cycle frequency | Mark H. Opfer | 1996-04-30 |
| 5454777 | Centrifugal separator apparatus with load sensing circuit for optimizing clearing cycle frequency | Mark H. Opfer | 1995-10-03 |