Portfolio comparison
Hookless Fastener Co vs Raytheon Manufacturing Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Company B
Raytheon Manufacturing Co
Patents indexed
1
Year range
1950
Most recent
1950
consumer-electronicsradarfood-technologydefenseappliances
Top Patents1 enriched
US 2495429· 1950
The Microwave Oven — Invented When a Radar Engineer Melted a Chocolate Bar
Activity by Decade
1950s1
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