Portfolio comparison
VINCENT J SEDLON vs DUAL PARKING METER Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
VINCENT J SEDLON
Patents indexed
1
Year range
1950
Most recent
1950
mechanicalconsumer_electronics
Top Patents1 enriched
US 2514269· 1950
How a Self-Watering Flowerpot Design Works
Activity by Decade
1950s1
Top Patents1 enriched
US 2118318· 1938
How the First Coin-Operated Parking Meter Works
Activity by Decade
1930s1
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