Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5088272 | Attachable guide ring for dog head collars | Robert Anderson | 1992-02-18 |
| 4941313 | Humane training aid with adjustable muzzle loop having an adjustable locking device | Robert Anderson, Bertyl W. Carlson | 1990-07-17 |
| 4838206 | Combination collar and muzzle humane training aid | Robert Anderson, Jeffrey A. Levine | 1989-06-13 |
| 4828210 | One-hand adjustable lock for tether | Robert Anderson, Bertyl W. Carlson | 1989-05-09 |
| 4741288 | Combination collar and muzzle humane training aid | Robert Anderson, Jeffrey A. Levine | 1988-05-03 |
| 4621591 | Combination collar and muzzle humane training aid | Robert Anderson, Jeffrey A. Levine | 1986-11-11 |