Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483309 | Power frequency magnetic field (PF-MF) detection systems and operating methods therefor | Victor H. Gehman, Jr., John C. Wright, George R. Walker, David Lindberg | 2002-11-19 |
| 5162972 | Liquid filled variable capacitor | David B. Fenneman | 1992-11-10 |
| 4491842 | Frozen wave generator jammer | Larry F. Rinehart | 1985-01-01 |
| 4217468 | Spiral line oscillator | Johnnie W. Rice, Millard F. Rose, Richard C. Van Wagoner | 1980-08-12 |