Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D384733 | Portable space heater | Rodney Jane, Zhiwei Xu, Jui-Shang Wang, Walter Birdsell, Richard M. O'Grady +1 more | 1997-10-07 |
| 5475745 | Abandoned call control and indication | — | 1995-12-12 |