Portfolio comparison
OpenTV Inc vs Walter Hunt
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
OpenTV Inc
Patents indexed
1
Year range
2013
Most recent
2013
consumer_electronicstelecommunicationssoftware
Top Patents1 enriched
US RE44685· 2013
How Interactive Television Systems Send Applications Alongside Video Streams
Activity by Decade
2010s1
Top Patents1 enriched
US 6281· 1849
How Walter Hunt Invented the Modern Safety Pin
Activity by Decade
1840s1
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