DO

Denis Richard O'Brien

📍 Vancouver, CA: #1,230 of 5,070 inventorsTop 25%
Overall (All Time): #1,205,257 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9390558 Faux-transparency method and device 2016-07-12
6287123 Computer managed learning system and data processing method therefore 2001-09-11
6271533 Method and an electronic device for repelling infrared-sensitive snakes 2001-08-07
6230769 Tap-handle-assembly extension to facilitate one-handed operation of beverage taps 2001-05-15