Portfolio comparison
John L. Mason vs Visa International Service Association
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 22186· 1858
John Mason's 1858 Patent for the Mason Jar Lid
Activity by Decade
1850s1
Company B
Visa International Service Association
Patents indexed
1
Year range
2018
Most recent
2018
financeecommercetelecommunications
Top Patents1 enriched
US 10163106· 2018
How Visa Processes Targeted Discounts on Specific Items During Checkout
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.