Patents by Inventor Mark G. Thoreson

Mark G. Thoreson 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).

  • Inflatable dental device
    Patent number: 6439886
    Abstract: A device having pliable walls is provided for placement in the mouth of a patent to serve, in one manner, as a matrix barrier with walls of the device bearing upon opposed tooth surfaces. An inlet permits inflation of the device, as by a dental syringe, of the installed device. A valve closes under air pressure to seal the inlet which may also be closed by a fused inlet segment.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: August 27, 2002
    Inventor: Mark G. Thoreson