Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7565178 | Portable handset with integrated speaker | Sidney Sitachitt, Sam Shifron, Gregory L. Williams | 2009-07-21 |
| 7355562 | Electronic interlocking graphics panel formed of modular interconnecting parts | Thomas Schubert | 2008-04-08 |
| D422262 | Housing for piggyback mounted battery for portable phone | Paul E. Peterzell, Ty Aberle, David Buckley, Marland Chow, David J. Ross +5 more | 2000-04-04 |
| D413857 | Housing for piggyback mounted battery for portable phone | Paul E. Peterzell, Ty Aberle, David Buckley, Marland Chow, David J. Ross +5 more | 1999-09-14 |
| 4501447 | Haulage drive | James P. Tatton | 1985-02-26 |
| 4465319 | Integrated cutter, breaker and haulage drive gearcase | — | 1984-08-14 |