Portfolio comparison
Phillips Screw Co vs Southwest Research Institute SwRI
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Phillips Screw Co
Patents indexed
1
Year range
1936
Most recent
1936
mechanicalautomotiveconsumer_electronics
Top Patents1 enriched
US 2046343· 1936
The Invention of the Phillips Head Screw
Activity by Decade
1930s1
Company B
Southwest Research Institute SwRI
Patents indexed
1
Year range
2007
Most recent
2007
telecommunicationssemiconductorsmechanical
Top Patents1 enriched
US RE39833· 2007
Using Heat to Move Tiny Mirrors for Controlling Light Beams
Activity by Decade
2000s1
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