Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5060689 | Universal check valve assembly | Kenneth M. Kotowicz | 1991-10-29 |
| 5014739 | Check valve assembly | — | 1991-05-14 |
| 4848513 | Noise abatement muffler | — | 1989-07-18 |
| D283223 | Hydraulic fluid supply unit | Randolph Beale, Richard A. Schultz | 1986-04-01 |
| 4500475 | Carburetion system | Gernot Oehley, Fred Goldman | 1985-02-19 |
| 4401089 | Ultrasonic transducer | Fred Goldman, Gernot Oehley, Edward J. Svoboda | 1983-08-30 |