Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D336095 | Hydraulic work holder and positioner | — | 1993-06-01 |
| 5211212 | Cutting tooth | Ronald W. Wiemeri | 1993-05-18 |
| 5074011 | Strap lock for adjusting loops | — | 1991-12-24 |
| 4941313 | Humane training aid with adjustable muzzle loop having an adjustable locking device | Robert Anderson, Ruth E. Foster | 1990-07-17 |
| 4828210 | One-hand adjustable lock for tether | Robert Anderson, Ruth E. Foster | 1989-05-09 |
| 4323034 | Dog jump apparatus | — | 1982-04-06 |