Portfolio comparison
Southwest Research Institute SwRI vs Zenith Radio Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Southwest Research Institute SwRI
Patents indexed
1
Year range
2007
Most recent
2007
telecommunicationssemiconductorsmechanical
Top Patents1 enriched
US RE39833· 2007
Using Heat to Move Tiny Mirrors for Controlling Light Beams
Activity by Decade
2000s1
Company B
Zenith Radio Corp
Patents indexed
1
Year range
1957
Most recent
1957
consumer_electronicsmechanical
Top Patents1 enriched
US 2817025· 1957
How the First Wireless Television Remote Control Works
Activity by Decade
1950s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.