Portfolio comparison
Marvin C. Stone vs CAE
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 375962· 1888
How the Modern Paper Drinking Straw Was Invented
Activity by Decade
1880s1
Company B
CAE
Patents indexed
1
Year range
2024
Most recent
2024
softwareai_mltelecommunicationsaerospaceeducation
Top Patents1 enriched
US 11915111· 2024
How Training Systems Share AI Knowledge Without Sharing Private Student Data
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.