Patents by Inventor Nathan Sher

Nathan Sher 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: 6475160
    Abstract: A skin testing device having a housing that supports a wheel. The wheel has a plurality of pointed tines for introducing a freeze dried allergen solution to a patient's skin. The pointed tines are located on an allergen plate that has radial grooves for receiving and containing different allergen solutions.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: November 5, 2002
    Inventor: Nathan Sher
  • Patent number: 4483348
    Abstract: A device for effecting multiple scarifications on spaced apart portions of a body has a rolling surface and a plurality of scarifiers extending outwardly of the rolling surface, in spaced relationship; the scarifiers sequentially penetrate the epidermis at spaced apart cutaneous sites when the rolling surface is rolled on the body part; in use the scarifiers support different freeze-dried allergen preparations on their outer scarifying ends.
    Type: Grant
    Filed: March 25, 1982
    Date of Patent: November 20, 1984
    Inventor: Nathan Sher
  • Patent number: D289352
    Type: Grant
    Filed: December 10, 1984
    Date of Patent: April 21, 1987
    Inventor: Nathan Sher