Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D625377 | Combination bow sight and range finder | — | 2010-10-12 |
| 7364397 | Method and machine for separating profiled elements | Stacy S. Lemkelde, Jan-Peter Groeneweg | 2008-04-29 |
| 7234911 | Method and machine for separating profiled elements | Stacy S. Lemkelde, Jan-Peter Groeneweg | 2007-06-26 |