Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8721399 | Manually operated sharpener | Thomas M. Huber, Daniel D. Friel, Jr., Samuel Weiner, Cassandra Wilson Gluyas | 2014-05-13 |
| 8678882 | Combination sharpener assembly | Thomas M. Huber, Daniel D. Friel, Jr., Samuel Weiner, Cassandra Wilson Gluyas | 2014-03-25 |
| 4752899 | Condition monitoring system for locomotives | John W. Newman, John Tyson, II | 1988-06-21 |