DS

David P. Shelton

ND National Research Development: 1 patents #307 of 1,071Top 30%
📍 Toronto, CA: #3,468 of 9,482 inventorsTop 40%
Overall (All Time): #2,173,695 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7119762 Method and apparatus for selectively viewing captioning Jeremy C. Price 2006-10-10
4567596 Laser apparatus Amyand D. Buckingham 1986-01-28