Patents by Inventor Robert M. Schaefer

Robert M. Schaefer 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).

  • Patent number: 10058980
    Abstract: A method of securing a face frame to a cabinet box whereby spring clamps clamp the face frame to the cabinet box during the gluing process. The method eliminates the need for nails, staples, pocket screws or the like. The spring clamp of the invention enables the face frame to be secured to the outer ends of the cabinet box.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: August 28, 2018
    Inventor: Robert M. Schaefer
  • Patent number: 9833881
    Abstract: A method of securing a face frame to a cabinet box whereby spring clamps clamp the face frame to the cabinet box during the gluing process. The method eliminates the need for nails, staples, pocket screws or the like. The spring clamp of the invention enables the face frame to be secured to the outer ends of the cabinet box.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: December 5, 2017
    Inventor: Robert M. Schaefer