Patents by Inventor Bert M. Sabo

Bert M. Sabo 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).

  • Dual plunger dental amalgam dispenser
    Patent number: 4377380
    Abstract: A dental amalgam dispensing instrument has an amalgam dispensing head having a dispensing passage slidably receives a rectangular section dispensing passage with an amalgam feed passage intersecting the dispensing passage. A straight rectangular section feed plunger slides in the feed passage and is slidably carried by a handle that is detachably mounted on the head. The dispensing passage in the head is formed as an elongate channel opening toward the front of the instrument and a detachable cover plate closes the front of the channel.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: March 22, 1983
    Inventors: Leslie Vadas, Bert M. Sabo
  • Loader and dispenser for dental amalgam
    Patent number: 4340367
    Abstract: A dental amalgam dispenser unit having a detachable discharge head, the dispenser having a plunger with a front amalgam-advancing tip and rearwardly disposed ratchet teeth and a pawl comprising a slidably mounted sleeve and a cantilever spring projecting rearwardly therefrom. A dental amalgam loader assembly is also described for loading the dispenser discharge head. The loader has a plunger and advancing means for advancing the forward portion of the loading plunger a predetermined distance into the bore of the dispenser head.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: July 20, 1982
    Inventors: Leslie Vadas, Bert M. Sabo