Patents by Inventor Mark W. Knapp

Mark W. Knapp 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).

  • Dental core form and method of use
    Patent number: 4775319
    Abstract: A dental core form including a sleeve-like member to fit on a portion of a tooth on which a core for a crown is to be formed. The form is corrugated longitudinally and made of synthetic plastic material. Stippling or roughening of the lower part on the outside of the form will assist to secure the form by adhesive in the mouth during formation of the core.
    Type: Grant
    Filed: July 9, 1986
    Date of Patent: October 4, 1988
    Inventor: Mark W. Knapp