Patents by Inventor David R. Thead

David R. Thead 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: 6158314
    Abstract: A method and an apparatus for disabling and disposing of a single-use hypodermic syringe from re-use by severing the syringe barrel above the syringe needle and collecting the severed portion of the barrel, including the syringe needle directly in an associated, puncture-resistant receiving receptacle. The apparatus includes a severing means having an opening for receiving at least that end of the syringe having a needle attached thereto and a syringe stop for delimiting the passage of the syringe into the opening and stabilizing the syringe in the opening as the syringe barrel is severed from the syringe above the syringe needle, and a collection receptacle having an open end adapted for receiving the severing means and for collecting the severed portion of the syringe barrel including the syringe needle directly therein.
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: December 12, 2000
    Assignee: Post Medical
    Inventors: William H. Thead, David R. Thead, John C. Evans