Learn more

CARLSON CHESTER F

Overview
  • Total Patents
    12
About

CARLSON CHESTER F has a total of 12 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, optics and audio-visual technology are HALOID XEROX INC, HALOID CO and REX ROTARY INTERNATIONAL.

Patent filings in countries

World map showing CARLSON CHESTER Fs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 1

Patent filings per year

Chart showing CARLSON CHESTER Fs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Carlson Chester F 12

Latest patents

Publication Filing date Title
US2701764A Electrophotographic apparatus and methods
US2588699A Electrophotographic apparatus
US2690394A Electrophotography
US2681473A Manufacture of plaques and the like
US2583546A Electrophotographic recording
US2599542A Electrophotographic plate
US2624652A Graphic recording
US2551582A Method of printing and developing solvent images
US2357809A Electrophotographic apparatus
US2297691A Electrophotography
US2221776A Electron photography
CA412993A Electrophotography