Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6140935 | Audio device security system | Keith Andrew Hayton, Robert Burnham, Thomas Lee Kopicki, Alan Norton, Douglas Ralph Sendelbach +2 more | 2000-10-31 |
GD
Guenter Dorner
Overall (All Time): #3,632,305 of 4,157,543Top 90%
1
Patents All Time