Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291541 | Coupling apparatus for telephone handsets | Clinton D. Gibler, Larry A. Marcus, Perry K. White | 1994-03-01 |
| 5226076 | Directional microphone assembly | John Charles Baumhauer, Jr., Jeffrey Phillip McAteer, Richard M. Sachs | 1993-07-06 |
| D323656 | Wall-mounted, coinless public telephone | John N. McGarvey, Alvin R. Tilley | 1992-02-04 |