Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10988151 | System and method for controlling a level crossing of a railway track | John Charles Hounschell, II, Jeffrey Michael Fries, James Frisbie, Brian Isaacson | 2021-04-27 |
| 10533288 | Railroad track wire connection and corresponding railroad installation | James Frisbie | 2020-01-14 |