Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10990064 | Presidential podium clock | — | 2021-04-27 |
| 7340912 | High efficiency heating, ventilating and air conditioning system | Robert W. Yoho, Sr. | 2008-03-11 |
| 6419099 | Lane dividers for commercial display refrigerators | — | 2002-07-16 |
| 6179443 | Fluorescent lamp lens assembly | — | 2001-01-30 |
| 5878326 | Method for handling alarm conditions in a paging system | Roger E. Benz, Warren L. Schroeder, Kenneth T. Smelcer, James Rodts, Kevin Dahl | 1999-03-02 |
| 4447985 | Window structure | Gene Pagel | 1984-05-15 |
| 4420919 | Wall opening frame member | — | 1983-12-20 |
| 4418506 | Glazed wall construction system | Lyon E. Evans | 1983-12-06 |
| 4186656 | Thermal break ventilator unit | — | 1980-02-05 |