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PatentBrief

Portfolio comparison

FIRM OF M J GOLDBERG und SOHNE vs EMI Ltd

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

Company A

FIRM OF M J GOLDBERG und SOHNE

Patents indexed

1

Year range

1928

Most recent

1928

consumer_electronicsmechanical

Activity by Decade

1920s
1

Company B

EMI Ltd

Patents indexed

1

Year range

1973

Most recent

1973

biotechmedical_devicessemiconductors

Activity by Decade

1970s
1

How to use

Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.