Portfolio comparison
HURLEY MACHINE Co vs Survival Technology Inc
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
Survival Technology Inc
Patents indexed
1
Year range
1977
Most recent
1977
biotechmechanicalconsumer_electronics
Top Patents1 enriched
US 4031893· 1977
How Auto-Injectors Adjust Their Dose Using a Simple Spacer
Activity by Decade
1970s1
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