Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4553061 | Piezoelectric bimorph driven direct current latching relay | — | 1985-11-12 |
| 4538087 | Alternating current driven piezoelectric latching relay and method of operation | John M. Davenport | 1985-08-27 |