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GEN ANNE HENRI JACQUES DE LASS

Overview
  • Total Patents
    12
About

GEN ANNE HENRI JACQUES DE LASS has a total of 12 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United States. Its main competitors in its focus markets optics and machines are PRIZMA INC, COLOR RES CORP and ANNE HENRI JACQUES DE LASSUS S.

Patent filings in countries

World map showing GEN ANNE HENRI JACQUES DE LASSs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing GEN ANNE HENRI JACQUES DE LASSs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics
#2 Machines

Top inventors

# Name Total Patents
#1 Gen Anne Henri Jacques De Lass 12

Latest patents

Publication Filing date Title
US2351019A Color film
US2352864A Device for making exposures on lenticular films
US2258558A Apparatus for obtaining photographs in color by projection copying
US2202354A Apparatus for photography in relief with or without color
US2183305A Method of obtaining color photographs
US2258164A Screen for photography in relief
US2230938A Method of obtaining color photographs
US2154868A Screen for the projection of images in relief
US2106933A Reproduction of lenticular films
US2105797A Reproduction and projection of goffered films
US2139855A Apparatus for photography with or without color
US2131974A Screen for the production of stereoscopic images