Portfolio comparison
DUAL PARKING METER Co vs Silicon Laboratories Inc
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
Silicon Laboratories Inc
Patents indexed
1
Year range
2025
Most recent
2025
consumer_electronicstelecommunicationssemiconductors
Top Patents1 enriched
US 12255678· 2025
How Wireless Radios Automatically Adjust to Avoid Signal Overload
Activity by Decade
2020s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.