Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865113 | Countergravity casting apparatus and process for casting thin-walled parts | Karl D. Voss, James B. Mercer | 1989-09-12 |
GR
Gary F. Ruff
Overall (1989): #112,911 of 140,708Top 85%
1
Patents 1989