Portfolio comparison
HURLEY MACHINE Co vs Ampex Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
HURLEY MACHINE Co
Patents indexed
1
Year range
1910
Most recent
1910
consumer_electronicsmechanicalhome_appliances
Top Patents1 enriched
US 966677· 1910
How Early Washing Machines Moved Clothes
Activity by Decade
1910s1
Company B
Ampex Corp
Patents indexed
1
Year range
1960
Most recent
1960
consumer_electronicsmechanicaltelecommunications
Top Patents1 enriched
US 2956114· 1960
How Ampex Invented Modern Video Recording on Magnetic Tape
Activity by Decade
1960s1
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