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Donald E. Ingermann

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  • Arvada, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable speed transfer roller for bowling lane dressing apparatus
    • Patent number 5,161,277
    • Issue date Nov 10, 1992
    • AMF Bowling, Inc.
    • Donald E. Ingermann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Fluid handling apparatus for bowling lane cleaning device
    • Patent number 5,063,633
    • Issue date Nov 12, 1991
    • Century International Corporation
    • Donald E. Ingermann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Automatic vacuum bowling lane stripper
    • Patent number 4,962,565
    • Issue date Oct 16, 1990
    • Century International Corporation
    • Donald E. Ingermann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Combination bowling lane stripper and dressing apparatus
    • Patent number 4,959,884
    • Issue date Oct 2, 1990
    • Century International Corporation
    • Donald E. Ingermann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Automatic vacuum bowling lane stripper
    • Patent number 4,920,604
    • Issue date May 1, 1990
    • Century International Corporation
    • Donald E. Ingermann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Bowling lane vacuum with floating head
    • Patent number 4,856,138
    • Issue date Aug 15, 1989
    • Century International Corporation
    • Donald E. Ingermann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Golf club cleaning machine
    • Patent number 4,757,831
    • Issue date Jul 19, 1988
    • Century International Corp.
    • Donald E. Ingermann
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Bowling lane duster
    • Patent number D281362
    • Issue date Nov 12, 1985
    • Century International Corp.
    • Donald E. Ingermann
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Combination bowling lane stripper and duster
    • Patent number 4,510,642
    • Issue date Apr 16, 1985
    • Century International Corp.
    • Donald E. Ingermann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Automatic bowling lane stripper
    • Patent number 4,246,674
    • Issue date Jan 27, 1981
    • Century International Corp.
    • Donald E. Ingermann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...