Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7611122 | Closure device for the vacuum-tight closing of an opening in a wall | — | 2009-11-03 |
| 6967643 | Tactile feedback for cursor control device | Steven L. Steinbrunner | 2005-11-22 |
| 6873316 | Suppression of cursor control during tactile feedback operation | Steven L. Steinbrunner, Eric B. Taylor | 2005-03-29 |
| 5517574 | Dual function transducer housing | — | 1996-05-14 |
| 5514927 | Piezoelectric audio transducer | — | 1996-05-07 |
| D354058 | Dual-driver speaker | Jerry L. Bohannan, Richard G. Foster | 1995-01-03 |
| 5251264 | Mechanical-vibration-cancelling piezo ceramic microphone | — | 1993-10-05 |
| 4864624 | Piezoelectric loudspeaker with thermal protection | — | 1989-09-05 |
| 4630342 | Method of mounting a piezoelectric helmholtz transducer on a printed circuit board | — | 1986-12-23 |