Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636877 | Swivel connection | Michael J. Purvis, Léonard HARTMANN | 1997-06-10 |
| 5451031 | Quick-connect-disconnect non-mar coupling | Michael J. Purvis, Léonard HARTMANN | 1995-09-19 |
| 4318201 | Windshield wiper arm | Ronald B. Schulte | 1982-03-09 |