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MANNES LEOPOLD D

Overview
  • Total Patents
    16
About

MANNES LEOPOLD D has a total of 16 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States and Canada. Its main competitors in its focus markets optics are CINECOLOR INC, CHARLES LOUIS ADRIEN BRASSEUR and BELA GASPAR DR.

Patent filings in countries

World map showing MANNES LEOPOLD Ds patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 5

Patent filings per year

Chart showing MANNES LEOPOLD Ds patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

Top inventors

# Name Total Patents
#1 Mannes Leopold D 16
#2 Godowsky Jr Leopold 11
#3 Godowsky Leopold Jr 5

Latest patents

Publication Filing date Title
US2019718A Differential treatment of color component images
US2010459A Photographic sensitive element
US1969469A Photographic color process
US1996928A Sensitized photographic element and process of making same
US1954452A Method of making color photographs
US1980941A Color photography
US1659148A Color photograph and method for producing same
US1516824A Color photography
US1997493A Color photography
US1538996A Color photography
US1619949A Method and apparatus for producing colored motion pictures
CA267382A Colour photography
CA326254A Colour photography
CA316007A Photographic film
CA316006A Colour photography
CA353866A Colour photography