Portfolio comparison
VINCENT J SEDLON vs Thomas A. Edison
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
VINCENT J SEDLON
Patents indexed
1
Year range
1950
Most recent
1950
mechanicalconsumer_electronics
Top Patents1 enriched
US 2514269· 1950
How a Self-Watering Flowerpot Design Works
Activity by Decade
1950s1
Company B
Thomas A. Edison
Patents indexed
3
Year range
1869 – 1897
Most recent
1897
mechanicalconsumer_electronicstelecommunications
Top Patents3 enriched
US 200521· 1878
How Thomas Edison Improved Early Phonograph Recording
US 589168· 1897
How Thomas Edison's Kinetographic Camera Captured Early Motion Pictures
US 90646· 1869
Edison's First Patent: An Electric Vote Recorder
Activity by Decade
1860s1
1870s1
1890s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.