Patents by Inventor Michael A. Schaeffer

Michael A. Schaeffer 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).

  • Combination palm and finger guard
    Patent number: 5520626
    Abstract: A disk-shaped plastic shield adapted to rest against the palm of the hand of the hair cutter adjacent to a knuckle to prevent scissor cuts when trimming hair, and a finger guard.
    Type: Grant
    Filed: January 10, 1995
    Date of Patent: May 28, 1996
    Inventor: Michael A. Schaeffer
  • Knuckle guard
    Patent number: 4674487
    Abstract: A helical band to be positioned around the second knuckle of the middle finger of the barber's hand which is not used to operate scissors. The band is used when cutting the ends of hair gripped between the index finger and the middle finger and prevents the scissors from cutting the flesh around the second knuckle.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: June 23, 1987
    Inventor: Michael A. Schaeffer