DJ

Derwyn C. Johnson

📍 Ottawa, CA: #24 of 173 inventorsTop 15%
Overall (1994): #142,813 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5367588 Method of fabricating Bragg gratings using a silica glass phase grating mask and mask used by same Kenneth O. Hill, Bernard Y. Malo, Francois Bilodeau 1994-11-22