Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028659 | Self-cleaning litter box | Alan J. Cook, Kristin William Grube, Thomas E. Devlin, Jeff Reed Greason, Karl T. Ulrich +1 more | 2011-10-04 |
| 7762213 | Self-cleaning litter box | Alan J. Cook, Kristin William Grube, Thomas E. Devlin, Jeff Reed Greason, Karl T. Ulrich +1 more | 2010-07-27 |
| 7490842 | Folding bicycle | Karl T. Ulrich | 2009-02-17 |
| 6807465 | Power assist vehicle | Dana R. Yoerger | 2004-10-19 |
| 6459962 | Power assist vehicle | Dana R. Yoerger | 2002-10-01 |
| 6443470 | Folding scooter | Karl T. Ulrich, Jeffrey Allen Salazar, Michael L. Simmons | 2002-09-03 |
| 5755645 | Exercise apparatus | Larry C. Miller, William T. Townsend, Dana R. Yoerger, Yoky Matsuoka, Brandon D. Larocque | 1998-05-26 |
| 5501498 | Methods and apparatus for mechanically intelligent grasping | — | 1996-03-26 |
| D352050 | Robotic wrist | William T. Townsend | 1994-11-01 |
| 4957320 | Methods and apparatus for mechanically intelligent grasping | — | 1990-09-18 |