Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8644113 | Sound-based positioning | Michael Riley Harrell, William Hayden Connor, Marzban R. Palsetia, John Charles Curlander, Heinrich Frick +1 more | 2014-02-04 | $20,363,000 |
| 6382007 | Electro-mechanical system for determining key cuts for tumbler and wafer locks | — | 2002-05-07 |