Portfolio comparison
Stanford Research Institute vs John L. Mason
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Stanford Research Institute
Patents indexed
1
Year range
1970
Most recent
1970
consumer_electronicsmechanical
Top Patents1 enriched
US 3541541· 1970
How Douglas Engelbart Invented the Computer Mouse
Activity by Decade
1970s1
Top Patents1 enriched
US 22186· 1858
John Mason's 1858 Patent for the Mason Jar Lid
Activity by Decade
1850s1
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