BROWN, DOUGLAS G.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 4238
 
 
 
H04M TELEPHONIC COMMUNICATION 2161
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6678004 Methods and systems for providing information to a plurality of set-top boxes via a personal computer using set-top box identifiersAug 09, 99Jan 13, 04[H04N]
6545722 Methods and systems for providing television related services via a networked personal computerJan 09, 98Apr 08, 03[H04N]
6208384 Methods and systems for providing information to a television using a personal computerJul 11, 96Mar 27, 01[H04N]
6195548 Method and systems for providing audio and video telephone communications using a personal computer and a televisionDec 17, 99Feb 27, 01[H04M]
6189148 Methods and circuits using frequency shift keying modulation to transfer data over transmission lines simultaneous with television signalsJan 28, 99Feb 13, 01[H04N]
6151490 Methods and systems for providing audio and video telephone communications using a personal computer and a televisionDec 02, 96Nov 21, 00[H04M]
5944821 Secure software registration and integrity assessment in a computer systemJul 11, 96Aug 31, 99[G06F]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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