Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476534 | Permanent magnet phase-control motor | Gregory Weston Terpay, Ka-Shu Lee, George G. Zipfel, Jr., Victor G. Mishkevich, Thomas Edward Smith | 2002-11-05 |
| 6354536 | Rotor hub mounted actuator for controlling a blade on a rotorcraft | Michael S. Torok, William A. Welsh, George G. Zipfel, Jr., Gregory Weston Terpay, Ka-Shu Lee | 2002-03-12 |
| H211 | Combined ejector-rammer for small arms | — | 1987-02-03 |
| 4494331 | Firearm safety device | — | 1985-01-22 |