DB

Douglas Richard Barr

Canon: 4 patents #10,118 of 19,416Top 55%
📍 Laguna Beach, CA: #184 of 695 inventorsTop 30%
🗺 California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #971,364 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10606548 Method of generating an audio signal Orfeas Boteas, Matthew Collings 2020-03-31
7433070 Home printing from internet sources George Koppich, Michael Yeung, Don Francis Purpura, Paul Nicholas Gacek, Tapani Otala 2008-10-07
7406248 Digital image retrieval and storage Abhijit Rao, Donald Parke Gibson, Brian M. Keane, Jr., Lionel Gregory Croom, Costin Cozianu +1 more 2008-07-29
7084994 Home printing from internet sources George Koppich, Michael Yeung, Don Francis Purpura, Paul Nicholas Gacek, Tapani Otala 2006-08-01
6636329 Software architecture for cable television home printing George Koppich, Michael Yeung, Don Francis Purpura, Paul Nicholas Gacek, Tapani Otala 2003-10-21