Patents by Inventor Robert D. D. Stoddard

Robert D. D. Stoddard 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: 5186675
    Abstract: An inflatable vent toy for an exhaust vent air outlet comprising: an inflatable balloon made of a flexible material patterned and shaped to suit the preference of a user having a base defining an air inlet with surrounding attachment structure to secure the base over the exhaust vent air outlet such that the air inlet is in communication with the vent air outlet to enable in-coming air from the vent to enter the base air inlet and fill the balloon in a first mode, and to escape and collapse in a second mode when the in-coming air from the vent stops.
    Type: Grant
    Filed: November 19, 1991
    Date of Patent: February 16, 1993
    Inventor: Robert D. D. Stoddard