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SHAFT WILLIS S

Overview
  • Total Patents
    12
About

SHAFT WILLIS S has a total of 12 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United States and Canada. Its main competitors in its focus markets consumer goods and civil engineering are KENNEDY JOHN ERNEST, ENGROS SCHUHHAUS AG and NAKAMURA TETSUSHI.

Patent filings in countries

World map showing SHAFT WILLIS Ss patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 5

Patent filings per year

Chart showing SHAFT WILLIS Ss patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Shaft Willis S 12

Latest patents

Publication Filing date Title
US1920112A Spring heel seat
US1450614A File and file cabinet for letters or other papers
CA194029A Welt shoe
US1293217A Stitch-down welt-shoe.
CA171070A Shoe
CA165717A Shoe
US1289281A Window-shade.
US1170686A Method of making stitch-down shoes.
US1088244A Stitch-down shoe.
CA147211A Window shade
US1038005A Window-shade.
CA233492A File for letters