Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11035138 | Bleacher deck interlock apparatus and method | Michael L. Leighton | 2021-06-15 |
| 9326611 | Portable bleacher with active descent and lift mechanism | Kerry D. Briggs, Robert G. Valliere, Jr. | 2016-05-03 |
| 8166918 | Self-cleaning litter box | Alan J. Cook, Kristin William Grube, Thomas E. Devlin, Jeff Reed Greason, Karl T. Ulrich +1 more | 2012-05-01 |
| 8166919 | Self-cleaning litter box | Alan J. Cook, Kristin William Grube, Thomas E. Devlin, Jeff Reed Greason, Karl T. Ulrich +1 more | 2012-05-01 |
| 8166920 | Self-cleaning litter box | Alan J. Cook, Kristin William Grube, Thomas E. Devlin, Jeff Reed Greason, Karl T. Ulrich +1 more | 2012-05-01 |
| 8161908 | Self-cleaning litter box | Alan J. Cook, Kristin William Grube, Thomas E. Devlin, Jeff Reed Greason, Karl T. Ulrich +1 more | 2012-04-24 |
| 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 |
| 7938121 | Abdominal restraint for medical procedures | John McKnight, Mark MacMahon | 2011-05-10 |
| 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 |
| 7547023 | Method and apparatus for control of a collapsible gravity powered snow vehicle | — | 2009-06-16 |
| 6240799 | Triangular gimbal | — | 2001-06-05 |
| 6196081 | Systems and methods employing a rotary track for machining and manufacturing | — | 2001-03-06 |
| 4617871 | Steerable wind-powered vehicle | — | 1986-10-21 |