Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104091 | Spring assisted ball valve | Leon Stoltze | 1992-04-14 |
GR
Gerald V. Rathay
Overall (All Time): #3,847,945 of 4,157,543Top 95%
1
Patents All Time