Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9922571 | Virtual ADS-B for small aircraft | William T. Greenleaf, Daniel J. Clark | 2018-03-20 |
| 8952841 | System and method for TCAS based navigation | Mark A. Billsberry | 2015-02-10 |