Patents by Inventor Alfred Schmid, Jr.

Alfred Schmid, Jr. 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).

  • Dentist's apparatus for storing and vibration mixing of amalgam components
    Patent number: 4433779
    Abstract: The present invention relates to a capsule for storing and vibration mixing of two component materials for dental application, particularly of dental amalgam components. The capsule encloses a mixing space in which a first component and a pestle are disposed. The pestle is in the form of a hollow body with a removable cover. The pestle serves as a container for a second component and has at least one opening. The opening permits the exit of the second component which opening is rendered passable as a result of a mixing vibration movement.
    Type: Grant
    Filed: January 11, 1983
    Date of Patent: February 28, 1984
    Assignee: Coltene AG
    Inventors: Alfred Schmid, Jr., Hans M/u/ ller, Alexander P. Jaecklin