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PatentBrief

Portfolio comparison

George B. Selden vs Hohai University HHU

Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.

Company A

George B. Selden

Patents indexed

1

Year range

1895

Most recent

1895

automotivemechanical

Activity by Decade

1890s
1

Company B

Hohai University HHU

Patents indexed

1

Year range

2023

Most recent

2023

ai_mlsoftwarecivil_engineeringdata_analytics

Activity by Decade

2020s
1

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