Patents by Inventor John D. M. Rider

John D. M. Rider 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: 4822280
    Abstract: The invention relates to a dispenser for dispensing light curable substances, such as substances used for various dental applications. The dispenser includes a body defining a dispensing formation, the body and dispensing formation being designed to cooperate with a closure, such as a lid, for closing-off the dispensing formation and thereby isolating light curable substances contained in the dispensing formation from light. A charging opening may also be defined by the body, that leads into the dispensing formation and permits charging of light curable substance into the formation by means of a syringe, or the like, in which these substances are generally contained.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: April 18, 1989
    Inventor: John D. M. Rider