Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6189841 | Paper insert device | Lynette M. LaPoint | 2001-02-20 |
| 5179813 | Repairing squeaking floors | Stewart L. Martinsen, Lane G. Martinsen | 1993-01-19 |
| 5175974 | Repairing squeaking floors | Stewart L. Martinsen, Lane G. Martinsen | 1993-01-05 |
| D323828 | Shoulder rest for telephone handset | Stewart L. Martinsen | 1992-02-11 |
| D323829 | Shoulder rest for telephone handset | Stewart L. Martinsen | 1992-02-11 |
| D273677 | Telephone shoulder rest | — | 1984-05-01 |