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MUHLFELD FRANK J

Overview
  • Total Patents
    14
About

MUHLFELD FRANK J has a total of 14 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States and Austria. Its main competitors in its focus markets consumer goods, medical technology and machines are MALLORY HAT COMPANY, STEVENS LESLIE and TURNER HENRY HERBERT.

Patent filings in countries

World map showing MUHLFELD FRANK Js patent filings in countries
# Country Total Patents
#1 United States 12
#2 Austria 2

Patent filings per year

Chart showing MUHLFELD FRANK Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Muhlfeld Frank J 14

Latest patents

Publication Filing date Title
US4061100A Conversion kit for a sailboat
US1824785A Felt hat and process of making it
US1259038A Art of decorating hats.
US1117886A Napped hat with short velure nap.
US1097255A Tongued reducer for large-crowned hats.
US1052504A Flattening conical hat-bodies.
US1066746A Art of making velour hat-bodies by napping.
US1001296A Process of napping hat-bodies jointly.
US946975A Process of making two-piece felt hats from a single body.
US903396A Head-piece for hat-crowns.
US899887A Manufacture of one-piece felt hats.
US769558A Large-crowned hat.