TREA

David J. Schmidt

Follow

Person

  • Lake Elmo, MN, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Air supply attachment for a helmet
    • Patent number D1057296
    • Issue date Jan 7, 2025
    • 3M Innovative Properties Company
    • Benjamin A. Johnson
    • D29 - Equipment for safety, protection, and rescue

Patents Applicationslast 30 patents

  • Information Patent Application

    HOOD FOR HARDHAT AND RESPIRATOR APPARATUS
    • Publication number 20250221486
    • Publication date Jul 10, 2025
    • 3M Innovative Properties Company
    • Benjamin A. Johnson
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    CONDUIT ASSEMBLY FOR BRIMMED HARDHAT
    • Publication number 20250212985
    • Publication date Jul 3, 2025
    • 3M Innovative Properties Company
    • Benjamin A. Johnson
    • A42 - HEADWEAR
  • Information Patent Application

    HARDHAT WITH SHAPED AIR CONDUIT
    • Publication number 20250213895
    • Publication date Jul 3, 2025
    • 3M Innovative Properties Company
    • Benjamin A. Johnson
    • A62 - LIFE-SAVING FIRE-FIGHTING