Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8237383 | Wireless communication system for a roll-up door | William W. Shier, Allan B. Czubin, Robert J. Miller | 2012-08-07 |
| 8063592 | Wireless communication system for a roll-up door | William W. Shier, Allan B. Czubin, Robert J. Miller | 2011-11-22 |
| 7518326 | Wireless communication system for a roll-up door | William W. Shier, Allan B. Czubin, Robert J. Miller | 2009-04-14 |
| 6944524 | Air cylinder controller | William W. Shier, James D. Snavley | 2005-09-13 |