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John E. Heitfield

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  • Greenville, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sand trap rake for use on golf courses
    • Patent number 11,642,580
    • Issue date May 9, 2023
    • John E. Heitfield
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Sweeping apparatus
    • Patent number 7,540,053
    • Issue date Jun 2, 2009
    • John E. Heitfield
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    SAND TRAP RAKE FOR USE ON GOLF COURSES
    • Publication number 20220040545
    • Publication date Feb 10, 2022
    • John E. Heitfield
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Sand Trap Rake For Use On Golf Courses
    • Publication number 20190230849
    • Publication date Aug 1, 2019
    • John E. Heitfield
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    SWEEPING APPARATUS
    • Publication number 20090293213
    • Publication date Dec 3, 2009
    • John E. Heitfield
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Sweeping apparatus
    • Publication number 20080060151
    • Publication date Mar 13, 2008
    • John E. Heitfield
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING