Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743159 | Folding portable exercise apparatus | Frank Perrien | 2004-06-01 |
| 6443277 | Clutch valving circuit for automatic transmission | David Allen Blenc, Robert Downs, James Mainquist, Goro Tamai, Kyle K. Kinsey | 2002-09-03 |
| 6080090 | Folding portable exercise apparatus | Frank Perrien | 2000-06-27 |