Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D340689 | Pickup truck tent | Carol A. Feldman | 1993-10-26 |
| 5063542 | Piezoelectric transducer with displacement amplifier | Steven G. Petermann, Keith W. Katahara | 1991-11-05 |
| D299817 | Collapsible vehicular tent | Carol A. Feldman | 1989-02-14 |
| 4712579 | Well flow line choke | James H. McHaney | 1987-12-15 |
| 4638833 | Choke valve | — | 1987-01-27 |
| 4384632 | Charging system for seismic gas exploder | J. Robert Fricke | 1983-05-24 |