Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5823158 | Engine valve and method for making the same | Rudy J. Heimann, Jr., Victor Levin, William Neumann, Robert Southam | 1998-10-20 |
| 5771852 | Poppet valve with embossed neck structure | Rudy J. Heimann, Jr., Victor Levin, William Neumann, Robert Southam | 1998-06-30 |
| 5550450 | Dead-time effect compensation for pulse-width modulated inverters and converters | Robert R. Zeranski | 1996-08-27 |