Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8944759 | Livestock cooling fan system | — | 2015-02-03 |
| 8585361 | Livestock cooling fan system | — | 2013-11-19 |
| 6883251 | Livestock cooling system | Frank Gilbert Marks | 2005-04-26 |
| 6705599 | Livestock cooling apparatus | Frank Gilbert Marks | 2004-03-16 |
| 6675739 | Livestock cooling system | Frank Gilbert Marks | 2004-01-13 |
| 6588372 | Gear drive livestock fan | Frank Gilbert Marks, Dwight Zimmerman | 2003-07-08 |
| 6578828 | Livestock cooling system | Frank Gilbert Marks | 2003-06-17 |
| D346550 | Container for holding dental-related products | — | 1994-05-03 |
| D346551 | Container for holding dental-related products | — | 1994-05-03 |
| D296419 | Toothpaste dispenser | — | 1988-06-28 |