Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9249617 | Animal door having an adjustable resistance against being opened | Thomas P. Bjorholm | 2016-02-02 |
| 8434264 | Animal door having an adjustable height | — | 2013-05-07 |
| 7921811 | Selective access electronics pet door | Thomas P. Bjorholm, George M. Smart, IV, Andrew S. Grimmett, Lane Whiteside | 2011-04-12 |
| 7798103 | Selective access electronic pet door | Thomas P. Bjorholm, George M. Smart, IV, Andrew S. Grimmett, Lane Whiteside | 2010-09-21 |
| 7621815 | Flexible clutch | — | 2009-11-24 |