Patents by Inventor Paul Martin Armstrong

Paul Martin Armstrong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fastener for footwear
    Patent number: 6532687
    Abstract: The combination of a footwear, such as a sandal and a magnetic fastener to be used to hold together a strap and other parts of the footwear. The magnetic faster includes a first body and a base support. Both have cylindrical recesses containing cylindrical magnets mounted therein. The magnets are oriented to be magnetically attractive to each other. The first body and the base support have interlocking cooperable walls to prevent shear movement of the first body and the base support relative to one another.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: March 18, 2003
    Assignee: C. & J. Clark International Limited
    Inventors: Christopher John Towns, Paul Martin Armstrong
  • Fastener for footwear
    Publication number: 20020078596
    Abstract: The combination of a footwear, such as a sandal and a magnetic fastener to be used to hold together a strap and other parts of the footwear. The magnetic faster includes a first body and a base support. Both have cylindrical recesses containing cylindrical magnets mounted therein. The magnets are oriented to be magnetically attractive to each other. The first body and the base support have interlocking cooperable walls to prevent shear movement of the first body and the base support relative to one another.
    Type: Application
    Filed: February 23, 2001
    Publication date: June 27, 2002
    Inventors: Christopher John Towns, Paul Martin Armstrong