Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6059449 | Rotatable mixing head with sealed bearings | Steven Davis, Frank Rosner | 2000-05-09 |
| 5836690 | Rotatable mixing head having sealed bearings | Steven Davis, Frank Rosner | 1998-11-17 |