Portfolio comparison
US Department of Navy vs Hookless Fastener Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
US Department of Navy
Patents indexed
1
Year range
1974
Most recent
1974
telecommunicationsaerospacedefensesoftwareelectronics
Top Patents1 enriched
US 3789410· 1974
Measuring Distance to a Radio Emitter from a Moving Vehicle
Activity by Decade
1970s1
Company B
Hookless Fastener Co
Patents indexed
1
Year range
1917
Most recent
1917
manufacturingconsumer-goodstextilesfastenersindustrial-design
Top Patents1 enriched
US 1219881· 1917
The Zipper — The Fastener That Replaced a Thousand Buttons
Activity by Decade
1910s1
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