Portfolio comparison
Samuel F. B. Morse vs DUAL PARKING METER Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Samuel F. B. Morse
Patents indexed
1
Year range
1840
Most recent
1840
telecommunicationsmechanical
Top Patents1 enriched
US 1647· 1840
How Samuel Morse Patented the Electric Telegraph System
Activity by Decade
1840s1
Top Patents1 enriched
US 2118318· 1938
How the First Coin-Operated Parking Meter Works
Activity by Decade
1930s1
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