Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804906 | Method and apparatus for well casing inspection | Allan Hamberg, Henry T. Carruth, Jr., Mitchell F. Peterson | 1989-02-14 |
| D277853 | Conference wireless microphone housing or the like | — | 1985-03-05 |
| 4434507 | Free standing transmitting microphone | — | 1984-02-28 |