Portfolio comparison
Glass Marvin and Associates vs Black and Decker Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 3333846· 1967
How the Classic Operation Board Game Works
Activity by Decade
1960s1
Company B
Black and Decker Inc
Patents indexed
1
Year range
2021
Most recent
2021
consumer_electronicsmechanical
Top Patents1 enriched
US RE48399· 2021
How to Make Electric Motors Run Smoother and Last Longer
Activity by Decade
2020s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.