DM

Douglas B. Macrae

GD Gemstar Development: 9 patents #4 of 29Top 15%
IS Index Systems: 8 patents #5 of 36Top 15%
RG Rovi Guides: 6 patents #200 of 684Top 30%
EG E Guide: 3 patents #4 of 10Top 40%
📍 Weston, MA: #28 of 466 inventorsTop 7%
🗺 Massachusetts: #3,464 of 88,656 inventorsTop 4%
Overall (All Time): #139,117 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
6233734 System and method for controlling the broadcast and recording of television programs and for distributing information to be displayed on a television screen Thomas E. Westberg 2001-05-15
6177931 Systems and methods for displaying and recording control interface with television programs, video, advertising information and program scheduling information Ronald Alexander, Stephen Dias, Kenneth S. Hancock, Elsie Y. Leung, Arthur Y. Ng +6 more 2001-01-23
6052145 System and method for controlling the broadcast and recording of television programs and for distributing information to be displayed on a television screen Thomas E. Westberg 2000-04-18