Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7404477 | Proximity hand rail monitor for a moving walkway | H. Eugene Toennisson, Richard D. Rodich | 2008-07-29 |
| 7225912 | Escalator wheel monitor | H. Eugene Toennisson, Mark T. Davidson, Dustin J. Charville, John D. Shupe, Masashi Tsuchihata | 2007-06-05 |