Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640095 | Digital electro-hydraulic valve arrangement | William K. Engel | 1987-02-03 |
SB
Stephen R. Bogert
Overall (All Time): #3,967,456 of 4,157,543Top 100%
1
Patents All Time