Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5808909 | Electronic brake control valve tester for rail cars and trains | — | 1998-09-15 |
| 4824179 | Empty and load brake apparatus for unitized railroad trains | — | 1989-04-25 |
| 4768556 | Brake system and relay valves for railroad trains | — | 1988-09-06 |
| 4676347 | Railway brake shoe | — | 1987-06-30 |
| 4478617 | Strainer arrangement for combined dirt collector and cut out cocks | — | 1984-10-23 |
| 4423909 | Empty and load apparatus for railroad cars | William Ryan Page | 1984-01-03 |