DB

Donald R. Beaman

The Dow Chemical: 2 patents #39 of 346Top 15%
🗺 Michigan: #358 of 4,492 inventorsTop 8%
Overall (1997): #42,112 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5643843 Silicon nitride/silicon carbide composite densified materials prepared using composite powders Stephen D. Dunmead, Alan W. Weimer, Daniel F. Carroll, Glenn A. Eisman, Gene A. Cochran +2 more 1997-07-01
5595622 Method of making a boron carbide cermet with an aluminum oxide layer Aleksander J. Pyzik, Sharon M. Fuller 1997-01-21