Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751513 | Parking brake reset mechanism for railway vehicles | Robert N. Scharpf | 2017-09-05 |
| 7543796 | High flow calibration test point | Robert N. Scharpf, John A. Crispin | 2009-06-09 |
| 6847869 | Software based brake shoe wear determination | David E. Schweikert, Robert N. Scharpf | 2005-01-25 |
| 6739675 | Brake effort monitor | Robert N. Scharpf, David E. Schweikert | 2004-05-25 |