Portfolio comparison
Philips Broadcast Equipment Corp vs George B. Selden
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Philips Broadcast Equipment Corp
Patents indexed
1
Year range
1972
Most recent
1972
consumer_electronicsmechanicaltelecommunications
Top Patents1 enriched
US 3678182· 1972
How Early Television Systems Isolated Specific Colors for Special Effects
Activity by Decade
1970s1
Top Patents1 enriched
US 549160· 1895
George Selden's 1895 Patent for a Road Engine
Activity by Decade
1890s1
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