Portfolio comparison
Invoca Inc vs John L. Mason
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 11521601· 2022
How AI Cleans Up Irrelevant Topics in Recorded Phone Calls
Activity by Decade
2020s1
Top Patents1 enriched
US 22186· 1858
John Mason's 1858 Patent for the Mason Jar Lid
Activity by Decade
1850s1
How to use
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