Portfolio comparison
Philips Broadcast Equipment Corp vs Almon B. Strowger
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 447918· 1891
How Almon Strowger Invented the Automatic Telephone Switch
Activity by Decade
1890s1
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