Patents by Inventor Richard D. Rosenthal

Richard D. Rosenthal 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).

  • Composite cutting edge
    Patent number: 5347887
    Abstract: A process for shaping a blade edge and coating the: blade edge to improve the properties thereof is provided. The process includes an ion etching step using a collimated beam to reduce microcracks and an ion assisted processing step wherein ions are used to enhance the properties of a coating. The blade can then be sharpened again. The blade can be made from materials such as metal, ceramic of glass-ceramic.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: September 20, 1994
    Assignee: Microsurgical Techniques, Inc.
    Inventors: Richard D. Rosenthal, Gerald L. DePoorter, Ronald I. Christy