Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620044 | Gravity precision sand casting of aluminum and equivalent metals | Robert W. Grenkowitz, Allen D. Ackerman | 1997-04-15 |
MB
Michael J. Braskich
Overall (1997): #104,990 of 185,788Top 60%
1
Patents 1997