Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11039624 | Device for use in the humane slaughter of animals | — | 2021-06-22 |
| 9746200 | Building ventilator | Don Spearman | 2017-08-29 |
| 6644620 | Dispensing valve with helical flow orifice | Martin Johnson, Henry B. Wisnieski | 2003-11-11 |
| 6588725 | Valve | Henry B. Wisnieski | 2003-07-08 |
| 6546737 | Beverage cooler | Keith James Heyes, William Robert Mooney | 2003-04-15 |
| 6446834 | Dispensing means | Terrence Robert Davis | 2002-09-10 |
| 4818295 | Cyclone reactor | Alvin O. Converse, Hans E. Grethlein | 1989-04-04 |