FZ

Fred H. Zajonc

UG United States Gypsum: 1 patents #247 of 432Top 60%
🗺 Virginia: #18,729 of 34,511 inventorsTop 55%
Overall (All Time): #4,009,394 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4496515 Method for cutting gypsum board with high velocity fluid cutting jet Mitchell P. Ptasienski, Robert M. Mustoe 1985-01-29