Portfolio comparison
Thomas A. Edison vs Biosphere Aerospace LLC
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Top Patents1 enriched
US 9073647· 2015
A Modular Launch System with an Expandable Mast for Spacecraft
Activity by Decade
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.