Patents by Inventor Evan P. Penrod

Evan P. Penrod 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).

  • Adjustable dental bridge firing stand
    Patent number: 4136449
    Abstract: An Adjustable Dental Bridge Firing Stand that is adjustable to hold all sizes, shapes and types of dental bridge frameworks; which need to be moved, placed in and held in a dental porcelain oven, or to be held during the various stages of firing the applied porcelain to complete a finished dental bridge.
    Type: Grant
    Filed: January 12, 1977
    Date of Patent: January 30, 1979
    Inventors: Evan P. Penrod, Charles K. West