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Jeffrey A. Johnson

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  • St. Paul, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cleaning solution generator
    • Patent number D674462
    • Issue date Jan 15, 2013
    • Tennant Company
    • Robert James Guastella
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Display panel portion with a computer icon image
    • Patent number D674405
    • Issue date Jan 15, 2013
    • Tennant Company
    • Robert J. Guastella
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Cleaner cartridge
    • Patent number 7,051,399
    • Issue date May 30, 2006
    • Tennant Company
    • Bruce F. Field
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Cleaner cartridge
    • Publication number 20030019071
    • Publication date Jan 30, 2003
    • Bruce F. Field
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL