Portfolio comparison
Bell Communications Research Inc vs Almon B. Strowger
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Bell Communications Research Inc
Patents indexed
1
Year range
1997
Most recent
1997
telecommunicationssoftwareconsumer_electronics
Top Patents1 enriched
US 5673322· 1997
How Early Mobile Devices Accessed the Internet Using Split Proxies
Activity by Decade
1990s1
Top Patents1 enriched
US 447918· 1891
How Almon Strowger Invented the Automatic Telephone Switch
Activity by Decade
1890s1
How to use
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