Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9027281 | Safety enhanced design of rail type garage door opener with over the door drive assembly | — | 2015-05-12 |
| 8392869 | Systems and methods for circuit lifetime evaluation | Timothy L. Heaps, Douglas J. Sheldon, Paul N. Bowerman, Chester J. Everline, Robert D. Rasmussen | 2013-03-05 |