Portfolio comparison
Phillips Screw Co vs People Center Inc
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
Top Patents1 enriched
US 12112345· 2024
How Software Automatically Filters Employee Survey Results Based on Management Roles
Activity by Decade
2020s1
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