Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952474 | Phone privacy and unobtrusiveness via voice cancellation | Edward Wittke | 2005-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952474 | Phone privacy and unobtrusiveness via voice cancellation | Edward Wittke | 2005-10-04 |