Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9438747 | Method and system for non-traditional directory assistance | Thomas Rand, Erik Trusler, Gary Alpert, Denise Archibald, Nelson Cain +6 more | 2016-09-06 |
| 9033867 | Self-propellable endoscopic apparatus and method | Troy J. Ziegler, William T. Ryder | 2015-05-19 |
| 8948357 | Method and system for non-traditional directory assistance | Thomas Rand, Erik Trusler, Gary Alpert, Denise Archibald, Nelson Cain +6 more | 2015-02-03 |
| 8353817 | Self-propellable apparatus and method | Troy J. Ziegler, William T. Ryder | 2013-01-15 |
| 8276480 | Torque-adjusting drive mechanism for a propellable device | John J. Allen | 2012-10-02 |
| 7736300 | Self-propellable apparatus and method | Troy J. Ziegler, William T. Ryder | 2010-06-15 |
| 6971990 | Propulsion mechanism for endoscopic systems | Troy J. Ziegler, William T. Ryder | 2005-12-06 |
| 5213301 | Suspension system for isolating vibrations | Masami Taguchi | 1993-05-25 |
| 5184525 | Mechanism for positioning a carrier | Charles A. Brantingham | 1993-02-09 |