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SWITZER JOSEPH L

Overview
  • Total Patents
    12
About

SWITZER JOSEPH L 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, textiles and paper and basic materials chemistry are PROCESS SHIZAI, FRYE COPYSYSTEMS INC and COLUMBIA RIBBON CARBON MFG.

Patent filings in countries

World map showing SWITZER JOSEPH Ls patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 2

Patent filings per year

Chart showing SWITZER JOSEPH Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Switzer Joseph L 12
#2 Switzer Robert C 7
#3 Ward Richard A 1

Latest patents

Publication Filing date Title
US2689917A Fluorescent display device
US2475529A Fluorescent device and method of making the same
US2498593A Daylight fluorescent resinous sheeting materials
US2498592A Daylight fluorescent pigment compositions
US2417383A Coated fluorescent fabric
US2434019A Color separation with fluorescent materials
US2606809A Daylight-fluorescent textiles
US2277169A Press process of making reproduction impresses and product thereof
CA504529A Daylight fluorescent sheeting materials
CA521708A Daylight fluorescent nylon textile