Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6182634 | Low RPM switching tachometer | Sarah D. Caldwell, Robert Quincy Elliott, John E. Francis, W. Frank Landon, David M. Smith | 2001-02-06 |
SS
Stephen M. Sturhahn
Overall (All Time): #3,571,175 of 4,157,543Top 90%
1
Patents All Time