Patents by Inventor Matthew Alves

Matthew Alves 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: 4782833
    Abstract: An instrument for the boring of bones to remove a cylindrical section of bone for medical purposes has a one-way drive means which allows the surgeon to oscillate his hand motion while the instrument cuts bone in one direction only. The instrument has a trephine engaging mechanism which allows for the interchangeability of trephines so that a plurality of different types and sizes of trephines can be used to obtain bone cores from a range of bone types.
    Type: Grant
    Filed: February 19, 1987
    Date of Patent: November 8, 1988
    Assignees: Thomas A. Einhorn, Andrew Valenti
    Inventors: Thomas A. Einhorn, Andrew Valenti, Matthew Alves