Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5092048 | Cutting head assembly for hair trimmers | Daniel C. Quella, Matthew L. Andis | 1992-03-03 |
| 5088200 | Hair trimmer having a low-friction rotary drive | John M. Piwaron, Matthew L. Andis | 1992-02-18 |
| 5084974 | Clipper with lever actuated adjustable comb | Daniel C. Quella, Matthew L. Andis | 1992-02-04 |
| 4845852 | Hair trimmer with adjustable comb | — | 1989-07-11 |