Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8671990 | Vacuum valve apparatus and method | William W. Griffith, Ronald Flanary, Jeffrey S. Terrell, Howard Keith Kidd | 2014-03-18 |
| 5588325 | Auxiliary power take off assembly and method | Norman Green | 1996-12-31 |