Patents by Inventor Jacques Tieche

Jacques Tieche 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: 4142293
    Abstract: An anchoring screw for dental fillings has a head with two indented crowns separated by a narrow neck, and a tapered shank with a thread of saw-tooth profile. Actuation of the screw by a tubular spanner or socket can be achieved with the spanner or socket inclined by up to 40.degree. to the screw axis.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: March 6, 1979
    Inventor: Jacques Tieche