Portfolio comparison
Bell Atlantic Network Services Inc vs Sikorsky Aircraft Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Bell Atlantic Network Services Inc
Patents indexed
1
Year range
1999
Most recent
1999
telecommunicationsmechanical
Top Patents1 enriched
US 5920821· 1999
How Phones Automatically Find and Update Network Lists Using CDPD
Activity by Decade
1990s1
Top Patents1 enriched
US 1994488· 1935
Igor Sikorsky's Early Design for a Vertical Takeoff Aircraft
Activity by Decade
1930s1
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