TREA

Christopher E. Schafer

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  • Adair, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nestable connector
    • Patent number 8,746,746
    • Issue date Jun 10, 2014
    • Christopher E. Schafer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid retaining apparatus with ball valve
    • Patent number 8,127,789
    • Issue date Mar 6, 2012
    • ARK Therapeutic Services, Inc.
    • Christopher E. Schafer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Groundwater control system with automatic water flow regulator
    • Patent number 7,942,606
    • Issue date May 17, 2011
    • Christopher E. Schafer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ticket counting dispenser
    • Patent number 6,302,292
    • Issue date Oct 16, 2001
    • Schafer Systems Inc.
    • Christopher E. Schafer
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Ticket counting dispenser with ticket dispensing assembly
    • Patent number 6,230,926
    • Issue date May 15, 2001
    • Schafer Systems Inc.
    • Christopher E. Schafer
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Ticket dispenser base assembly
    • Patent number 5,868,277
    • Issue date Feb 9, 1999
    • Schafer Systems Inc.
    • Christopher E. Schafer
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Stackable locking display and dispensing structure
    • Patent number 5,399,005
    • Issue date Mar 21, 1995
    • Schafer Systems Inc.
    • Christopher E. Schafer
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Self-supporting stacked display and dispenser structure
    • Patent number 5,111,939
    • Issue date May 12, 1992
    • Christopher E. Schafer
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Ticket dispensing structure
    • Patent number 5,100,038
    • Issue date Mar 31, 1992
    • Christopher E. Schafer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Ticket dispensing structure
    • Patent number 4,995,507
    • Issue date Feb 26, 1991
    • Christopher E. Schafer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Ticket display and dispenser
    • Patent number 4,858,806
    • Issue date Aug 22, 1989
    • Christopher E. Schafer
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Head control stand
    • Patent number 4,621,945
    • Issue date Nov 11, 1986
    • Christopher E. Schafer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents