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WALKER JOHN JR

Overview
  • Total Patents
    12
About

WALKER JOHN JR has a total of 12 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States and Canada. Its main competitors in its focus markets consumer goods and machines are KRUMMING REINHOLD, S E & M VERNON INC and WILLIAM MANN COMPANY.

Patent filings in countries

World map showing WALKER JOHN JRs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 3

Patent filings per year

Chart showing WALKER JOHN JRs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Walker John Jr 12

Latest patents

Publication Filing date Title
CA145953A Book
US1054260A Book.
US1018459A Book and leaves therefor.
US1111981A File for papers and documents.
US1000649A File, temporary binder, loose-leaf book, and the like.
CA131129A Temporary binder
US1001483A Cover for loose-leaf books, files, and temporary binders.
US1003554A Lock.
US931819A Temporary binder, file, loose-leaf book, and the like.
US920508A File, temporary binder, loose-leaf book, and the like.
CA95863A File temporary binders, etc.
US857371A File, temporary binder, loose-leaf book, and the like.