Patents by Inventor Patrick E. Dwyer

Patrick E. Dwyer 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).

  • Abrasive tool for grinding needles
    Patent number: 6015338
    Abstract: Abrasive tools and a grinding process are for use in the manufacture of hypodermic needles. In particular, a formulation including selected bond components, and a process for manufacturing grinding wheels having an embrittled bond permits a new method for grinding of fine hollow metal tubes to shape the tips of hypodermic needles with the substantial elimination of metal burrs or fines from the grinding process.
    Type: Grant
    Filed: August 28, 1997
    Date of Patent: January 18, 2000
    Assignee: Norton Company
    Inventors: Keith C. Hong, Patrick E. Dwyer, Elinor B. Keil, Edward Lambert, Fershid Aspi