DJ

Derwyn C. Johnson

CL Canadian Patents And Development Limited: 1 patents #4 of 36Top 15%
📍 Ottawa, CA: #21 of 96 inventorsTop 25%
Overall (1982): #69,572 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4330170 Low-loss star couplers for optical fiber systems Brian S. Kawasaki, Kenneth O. Hill 1982-05-18