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Walter F. Hammer

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  • Newtown, PA, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    Pencil Sharpener
    • Publication number 20140075681
    • Publication date Mar 20, 2014
    • Walter Hammer
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil Sharpener, Adapter, and Method of Making Same
    • Publication number 20110265911
    • Publication date Nov 3, 2011
    • Hammer Products International, LLC
    • Walter F Hammer
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil Sharpener
    • Publication number 20110258863
    • Publication date Oct 27, 2011
    • Walter F. Hammer
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES