Portfolio comparison
MILTON HAROLD W vs John L. Mason
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
MILTON HAROLD W
Patents indexed
1
Year range
2000
Most recent
2000
consumer_electronicsgamingtelecommunications
Top Patents1 enriched
US RE36574· 2000
How Early Video Games Synchronized Gameplay Over Modems
Activity by Decade
2000s1
Top Patents1 enriched
US 22186· 1858
John Mason's 1858 Patent for the Mason Jar Lid
Activity by Decade
1850s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.