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KIRSCHBRAUN LESTER

Overview
  • Total Patents
    28
About

KIRSCHBRAUN LESTER has a total of 28 patent applications. Its first patent ever was published in 1914. It filed its patents most often in Canada, Spain and United States. Its main competitors in its focus markets macromolecular chemistry and polymers, textiles and paper and measurement are ZEO IP PTY LTD, HIDE ITE LEATHER COMPANY and INTERNAT BITUMEN EMULSIONS COR.

Patent filings in countries

World map showing KIRSCHBRAUN LESTERs patent filings in countries
# Country Total Patents
#1 Canada 19
#2 Spain 3
#3 United States 3
#4 Switzerland 2
#5 Denmark 1

Patent filings per year

Chart showing KIRSCHBRAUN LESTERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kirschbraun Lester 24
#2 Lester Kirschbraun 1

Latest patents

Publication Filing date Title
US1302810A Bituminous composition and process of making same.
US1188081A Process of treating bituminous compositions.
US1180506A Testing-machine.
CA256081A Emulsion
CA256080A Process of making paper
CA280289A Emulsion product
CA245715A Bituminous composition
CA245711A Waterproofing material
CA245877A Waterproof felted composition
CA245713A Felted fibrous composition
CA248220A Waterproof product
CA249764A Apparatus for making emulsions
CA203698A Bituminous composition
CA256079A Pavement
CA245712A Paint
CA264914A Paper making method
CA245710A Bituminous composition
CA245714A Felted sheet
CA249765A Process of making emulsions
CA248219A Waterproof composition