Patents by Inventor Nathan Sunshine

Nathan Sunshine 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).

  • Reaming tool
    Patent number: 4133069
    Abstract: In abstract, a preferred embodiment of this invention is a self-adjusting pipe and coupling reamer which fits a multiplicity of different size pipes. The reamer includes generally flat, T-shaped scrappers whose corners act as cutting edges and the space therebetween prevents debris build-up.
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: January 9, 1979
    Inventor: Nathan Sunshine