Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644113 | Hand held control key device including multiple switch arrangements | Toshinori Date, Sarah M. Richmond | 1997-07-01 |
| D378931 | Control pad with control stick | Sarah M. Richmond, Ira L. Velinsky, Stephen K. Guerrera, Gregory H. Hunter, John D. Gundlach | 1997-04-22 |
| D378768 | Control pad with control stick | Sarah M. Richmond, Ira L. Velinsky, Stephen K. Guerrera, Gregory H. Hunter, John D. Gundlach | 1997-04-08 |