Patents by Inventor R. Bruce Ptolemy

R. Bruce Ptolemy 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).

  • Adjustable collar with longitudinal mechanical interlock
    Patent number: 6438807
    Abstract: A flexible strip of resiliently deformable material is of substantially uniform cross sectional form. At one side, the strip has an interior cavity which opens at that side of the strip, the cavity being wider than the opening; and the strip is substantially complementary at the other side.
    Type: Grant
    Filed: July 31, 2000
    Date of Patent: August 27, 2002
    Inventor: R. Bruce Ptolemy