Robert A. Shaffer

Person

  • Kenosha, WI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Paint brush with improved grip construction

    • Patent number 6,401,290
    • Issue date Jun 11, 2002
    • Newell Operating Company
    • William W. Barton
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Paint brush with improved grip construction and method of manufactu...

    • Patent number 6,138,313
    • Issue date Oct 31, 2000
    • Newell Operating Company
    • William W. Barton
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Roller having slip-on cage for paint roller cover

    • Patent number 6,101,662
    • Issue date Aug 15, 2000
    • Newell Operating Company
    • Bruce C. Polzin
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Multi-faceted extension pole

    • Patent number 5,983,455
    • Issue date Nov 16, 1999
    • Newell Operating Company
    • Bruce C. Polzin
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Roller having slip-on cage for paint roller cover

    • Patent number 5,979,009
    • Issue date Nov 9, 1999
    • Newell Operating Co.
    • Bruce C. Polzin
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Portion of a paint brush handle

    • Patent number D415899
    • Issue date Nov 2, 1999
    • Newell Operating Co.
    • William W. Barton
    • D04 - Brushware
  • Information Patent Grant

    Set of grips for a roller frame handle

    • Patent number D406465
    • Issue date Mar 9, 1999
    • Newell Operating Company
    • William W. Barton
    • D04 - Brushware
  • Information Patent Grant

    Roller having slip-on cage for paint roller cover

    • Patent number 5,584,092
    • Issue date Dec 17, 1996
    • Newell Operating Company
    • Bruce C. Polzin
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Pad-type corner painting tool

    • Patent number 5,432,972
    • Issue date Jul 18, 1995
    • Newell Operating Company
    • Bruce C. Polzin
    • A46 - BRUSHWARE
  • Information Patent Grant

    Clam shell package

    • Patent number D359447
    • Issue date Jun 20, 1995
    • Newell Operating Company
    • Paul H. Mylander
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Clam shell package

    • Patent number D338619
    • Issue date Aug 24, 1993
    • EZ Paintr Corporation
    • Paul H. Mylander
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Pad attachment for paint roller assemblies

    • Patent number 5,014,384
    • Issue date May 14, 1991
    • EZ Paintr Corporation
    • Michael W. Brezette
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...