Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7711511 | Method and apparatus for automatically testing a railroad interlocking | Paul Galburt, Donald P. Crosby, David Rayna, Christopher V. Traynor, George T. Briechle | 2010-05-04 |
| 7363187 | Method and apparatus for automatically testing a railroad interlocking | Paul Galburt, Donald P. Crosby, David Rayna, Christopher V. Traynor, George T. Briechle | 2008-04-22 |
| 6963202 | Testing interface for railroad signal relays | Paul Galburt, Allan G. Swahn | 2005-11-08 |
| 5455868 | Gunshot detector | Edward W. Sergent | 1995-10-03 |
| 4743908 | Target position radar | John R. Brassfield, Roger A. Jones, Edward W. Sergent | 1988-05-10 |