Portfolio comparison
Phillips Screw Co vs MYSTO Manufacturing CO
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
MYSTO Manufacturing CO
Patents indexed
1
Year range
1913
Most recent
1913
consumer_electronicsmechanical
Top Patents1 enriched
US 1066809· 1913
How A.C. Gilbert Designed Early Interlocking Toy Construction Blocks
Activity by Decade
1910s1
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