Patents by Inventor Joel N. Waldman

Joel N. Waldman 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: 5342365
    Abstract: A surgical rasp is provided which includes a plurality of teeth each having a concave cutting face. The concave cutting face preferably provides an essentially self-sharpening tooth configuration for prolonging the useful life of the rasp. The rasp is preferably provided with a convex trailing face and an arcuate trough which aid in allowing removed tissue to move free of the rasp teeth. The rasp includes a handle presenting preferably a pair of opposed ends defining a longitudinal axis therebetween, with rows of teeth being provided on tungsten carbide inserts brazed or otherwise affixed to each of the ends.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: August 30, 1994
    Assignee: Padgett Instruments, Inc.
    Inventor: Joel N. Waldman
  • Patent number: D401340
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: November 17, 1998
    Assignee: Padgett Instruments, Inc.
    Inventors: Joel N. Waldman, James William Petersen, James Edward Petersen