DG

Douglas A. Granger

AA Aluminum Company Of America: 1 patents #22 of 108Top 25%
📍 Coto De Caza, CA: #2 of 5 inventorsTop 40%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #119,627 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4818300 Method for making lithoplate Elwin L. Rooy, Gerald R. Petrey, James R. Weaver, Raymond T. Richter, H. Gray Reavis, Jr. 1989-04-04