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PatentBrief

Portfolio comparison

Eastman Kodak Co vs John Harvey Kellogg

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

Company A

Eastman Kodak Co

Patents indexed

3

Year range

1956 – 1982

Most recent

1982

consumer_electronicssemiconductorsmaterialstelecommunicationssoftware

Activity by Decade

1950s
1
1970s
1
1980s
1

Company B

John Harvey Kellogg

Patents indexed

1

Year range

1896

Most recent

1896

consumer_electronics

Activity by Decade

1890s
1

How to use

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