Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5812249 | Speed and acceleration monitoring device using visible laser beams | James H. Johnson | 1998-09-22 |
| 4920628 | Replacement method for a railroad car brake tread unit using removable lift fixture | James Gennodie | 1990-05-01 |