Patents by Inventor Mark J. Manhart

Mark J. Manhart 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).

  • Therapeutic calcium hydroxide dental preparation and method
    Patent number: 4375968
    Abstract: This invention relates to a dental material containing calcium hydroxide in a controlled condition.The material is formulated in a particular way allowing it to be used successfully in a variety of therapies. The various mixtures and methods of using the calcium hydroxide materials are herein disclosed. In addition, mixtures of the calcium hydroxide material for specific therapies are also disclosed.
    Type: Grant
    Filed: July 10, 1981
    Date of Patent: March 8, 1983
    Inventor: Mark J. Manhart