Portfolio comparison
DUAL PARKING METER Co vs Merck Sharp and Dohme LLC
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 2118318· 1938
How the First Coin-Operated Parking Meter Works
Activity by Decade
1930s1
Company B
Merck Sharp and Dohme LLC
Patents indexed
1
Year range
2018
Most recent
2018
biotechpharmaceutical
Top Patents1 enriched
US 10028963· 2018
How to Treat Severe Lung Infections Using Ceftolozane and Tazobactam
Activity by Decade
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.