Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D380025 | Golf ball retriever | Robert L. Digerness, Chris Stalzer, Scott C. Smith | 1997-06-17 |
| 5601417 | Hydraulic pump with ball bearing pistons | Raymond P. Haluda, John Hoffman | 1997-02-11 |