Portfolio comparison
Cetus Corp vs Christopher Latham Sholes
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Cetus Corp
Patents indexed
5
Year range
1987 – 1991
Most recent
1991
biotechresearch_toolspharmaceuticaldiagnosticsmedical_devices
Top Patents5 enriched
US 4683195· 1987
How to Make Billions of Copies of a DNA Segment
US 4965188· 1990
How to Make Many Copies of a DNA Piece with Heat
US 4683202· 1987
How to Make Many Copies of a Specific DNA Segment
Activity by Decade
1980s3
1990s2
Company B
Christopher Latham Sholes
Patents indexed
1
Year range
1878
Most recent
1878
consumer_electronicsmechanical
Top Patents1 enriched
US 207559· 1878
How the QWERTY Keyboard Layout Was Originally Designed
Activity by Decade
1870s1
How to use
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