Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7866629 | Gate valve with streamlined flow | Randall Wiggington | 2011-01-11 |
| 5671306 | Lighting structure for intensely illuminating narrow linear region | Allan Brent York, George E. Matheson | 1997-09-23 |