Portfolio comparison
William F. Semple vs SnapTrack Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 98304· 1869
William Semple's 1869 Patent for Improved Chewing Gum
Activity by Decade
1860s1
Company B
SnapTrack Inc
Patents indexed
1
Year range
2004
Most recent
2004
consumer_electronicstelecommunicationssemiconductors
Top Patents1 enriched
US 6816710· 2004
How GPS Receivers See Weak Signals by Combining Data
Activity by Decade
2000s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.