Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316044 | Hydraulic control valve having a centering spring device | John F. Szentes, David C. Mack, Eric A. Hutchison | 1994-05-31 |
DZ
Daniel E. Zimmermann
Overall (1994): #143,208 of 165,921Top 90%
1
Patents 1994