Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4779668 | Treatment of cast metal in cope mold pouring basin | Thomas J. Gray | 1988-10-25 |
EN
Edmund R. Nagel
Overall (All Time): #3,961,491 of 4,157,543Top 100%
1
Patents All Time