Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7942377 | Beach umbrella stand including foot operated drive assembly for anchoring and method of use | John Sperry | 2011-05-17 |
| 7503541 | Beach umbrella stand including foot operated drive assembly for anchoring and method of use | John Sperry | 2009-03-17 |
| 7246783 | Beach umbrella stand including foot operated drive assembly for anchoring and method of use | John Sperry | 2007-07-24 |
| 5575157 | Noise control in a centrifugal chiller | — | 1996-11-19 |
| 5499509 | Noise control in a centrifugal chiller | John W. Leary | 1996-03-19 |
| 4857333 | Food product for administering medication to animals | — | 1989-08-15 |