Portfolio comparison
Christopher Latham Sholes vs TANN CO
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Top Patents1 enriched
US 3351836· 1967
How Intermittent Windshield Wipers Work
Activity by Decade
1960s1
How to use
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