Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11724724 | System for controlling vital wayside devices of a railway network, and vital switch for such vital devices | Nicholas David Nagrodsky, Richard Lawson, Chris Schuchmann | 2023-08-15 |
| 10988151 | System and method for controlling a level crossing of a railway track | John Charles Hounschell, II, Jeffrey Michael Fries, Tony Spagnolia, Brian Isaacson | 2021-04-27 |
| 10533288 | Railroad track wire connection and corresponding railroad installation | Tony Spagnolia | 2020-01-14 |
| 5172839 | Golf tee holder | — | 1992-12-22 |
| 4993613 | Golf tee holder | — | 1991-02-19 |