Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4899987 | Vehicle scissor lift | — | 1990-02-13 |
| 4594487 | Mounting means for proximity sensing device | Roman Grassl, Eric P. Weil | 1986-06-10 |
| 4279269 | Liquid flow control means for gas-liquid receptacle | Richard R. Schink | 1981-07-21 |