SO

Shaun Peter O'Keefe

Canon: 2 patents #12,681 of 19,416Top 70%
Overall (All Time): #2,051,203 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8736908 Printing and authentication of a security document on a substrate utilizing unique substrate properties Alvin Wai Leong Yeap, Andrew Fields, Nicolas Rowland de Courcy Bingham, Alan Gordon Doubleday 2014-05-27
8544741 Data block offset encoding method for coordinates 2013-10-01