Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7254467 | Digital train system for automatically detecting trains approaching a crossing | Jeff Fries, Robert M. Morris | 2007-08-07 |
RF
Roger Fitz
Overall (All Time): #3,392,940 of 4,157,543Top 85%
1
Patents All Time