Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7234338 | Tubing bender and method | Richard Arthur Mirtz | 2007-06-26 |
| D348284 | Stackable tray for paper stock and drawings | Stanley R. Thorud, David Martin | 1994-06-28 |
| 5318182 | Stackable and reversible trays for storing drawing sheets, paper stock, and the like | Stanley R. Thorud, David Martin | 1994-06-07 |