Portfolio comparison
Almon B. Strowger vs Hewlett Packard Development Co LP
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 447918· 1891
How Almon Strowger Invented the Automatic Telephone Switch
Activity by Decade
1890s1
Company B
Hewlett Packard Development Co LP
Patents indexed
1
Year range
2011
Most recent
2011
telecommunicationssemiconductorssoftware
Top Patents1 enriched
US 7904576· 2011
How to Send Data Streams Independently Without Connection Overload
Activity by Decade
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.