Portfolio comparison
FIRM OF M J GOLDBERG und SOHNE vs William Stanley, Jr.
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
FIRM OF M J GOLDBERG und SOHNE
Patents indexed
1
Year range
1928
Most recent
1928
consumer_electronicsmechanical
Top Patents1 enriched
US 1661058· 1928
How the Theremin Makes Music Without Touching Anything
Activity by Decade
1920s1
Top Patents1 enriched
US 349611· 1886
William Stanley Jr.'s Early Alternating Current Transformer System
Activity by Decade
1880s1
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