Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5738615 | Apparatus for initially positioning a weight lifting handle | Robert P. McCollum, Jerry K. Leipheimer | 1998-04-14 |
| 5667465 | Multidirectional cam | Robert P. McCollum, Jerry K. Liepheimer | 1997-09-16 |