Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7512037 | Method and apparatus for acoustic system having a transceiver module | Frederick J. Frodyma, Karl G. Daxland, John R. Guarino, Namir Habboosh, Raymond A. Janssen +2 more | 2009-03-31 |
| D258363 | Electronic keyboard musical instrument | David Weindel, Paul Sullivan | 1981-02-24 |
| 4247109 | Pinball machine and flexible sheets with circuit therefor | David Weindel, Paul Sullivan, Ernest H. Bridge, Jr. | 1981-01-27 |