Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472602 | Telephone set with transducer/ringer | Jack L. Cain, Jr. | 1984-09-18 |
| 4425482 | Ring armature electroacoustic transducer | Richard M. Hunt, Robert A. Wheeler | 1984-01-10 |
| 4398972 | Ferritic Fe-Ni magnetic alloys | Gilbert Y. Chin, Sungho Jin, Richard C. Sherwood, Jack H. Wernick | 1983-08-16 |
| 4258234 | Electroacoustic device | Richard C. Sherwood | 1981-03-24 |