Portfolio comparison
Docutel Corp vs Wham O Manufacturing Co
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
Company B
Wham O Manufacturing Co
Patents indexed
1
Year range
1967
Most recent
1967
mechanicalconsumer_electronics
Top Patents1 enriched
US 3359678· 1967
How the Modern Frisbee Design Works
Activity by Decade
1960s1
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