Portfolio comparison
General Hospital Corp vs DUAL PARKING METER Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
General Hospital Corp
Patents indexed
1
Year range
2025
Most recent
2025
consumer_electronicsmedical_devicestelecommunications
Top Patents1 enriched
US 12189012· 2025
Removing Radio Interference from Portable MRI Scans
Activity by Decade
2020s1
Top Patents1 enriched
US 2118318· 1938
How the First Coin-Operated Parking Meter Works
Activity by Decade
1930s1
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