Portfolio comparison
Wham O Manufacturing Co vs Eaton Yale and Towne Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Top Patents1 enriched
US 3552770· 1971
How Early Vehicle Airbag Safety Systems Work
Activity by Decade
1970s1
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