Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825649 | Shutoff and pressure regulating valve | Gerald J. Gorneault, Charles F. Stearns | 1989-05-02 |
BD
Brian G. Donnelly
Overall (1989): #128,560 of 140,708Top 95%
1
Patents 1989