Portfolio comparison
Philips Broadcast Equipment Corp vs Central Investment Corp
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
Company B
Central Investment Corp
Patents indexed
1
Year range
1973
Most recent
1973
consumer_electronicsmechanical
Top Patents1 enriched
US 3735375· 1973
How Vacuum Tubes Detect Tiny Changes in High-Resistance Sensors
Activity by Decade
1970s1
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