Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850654 | Freight brake emergency valve | James E. Hart, Edward W. Gaughan | 1989-07-25 |
| 4819993 | Freight brake control valve device having improved quick service function | Edward W. Gaughan | 1989-04-11 |
| 4783124 | Freight brake control valve device having improved quick service function | Edward W. Gaughan | 1988-11-08 |
| 4776642 | Freight brake control valve device having improved quick service function | James E. Hart, Edward W. Gaughan | 1988-10-11 |
| 4757804 | Device for electromagnetic treatment of living tissue | Neil J. Griffith, Dan Vance, Robert Schneider, Brian S. Kelleher, Peter A. Balnave +1 more | 1988-07-19 |
| 4577870 | O-ring seal in channel with fluid pressure equalization means | Daniel G. Scott | 1986-03-25 |