Portfolio comparison
Docutel Corp vs Charles Goodyear
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Docutel Corp
Patents indexed
1
Year range
1973
Most recent
1973
consumer_electronicssoftwarefinancesemiconductors
Top Patents1 enriched
US 3761682· 1973
Early Automatic Cash Dispenser Using Credit Cards
Activity by Decade
1970s1
Top Patents1 enriched
US 3633· 1844
How Charles Goodyear Invented Modern Vulcanized Rubber
Activity by Decade
1840s1
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