Patents by Inventor Mary M. Watson

Mary M. Watson 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: 4848930
    Abstract: A plastic bag is disclosed of the type which is constructed from a front and rear wall which are folded upwardly at the bottom to form a gusset. The front and rear walls are sealed together along their entire lateral margins, except that the upper portion of each wall is provided with an unsealed flap or cuff portion. Diagonal welds are formed in the lower corner of each wall, so as to seal the wall to the underlying gusset wall, but the gusset walls are not sealed to each other. To complete the bag, each cuff portion is folded downwardly over the corresponding wall. The cuff portions are provided with cut-out openings. Afer the bag is filled, the cuff portions may be unfolded and used as carrying handles, with the cut-out openings serving as hand holes.
    Type: Grant
    Filed: August 5, 1987
    Date of Patent: July 18, 1989
    Assignee: Trinity Paper & Plastics Corporation
    Inventors: David R. Williams, Mary M. Watson
  • Patent number: 4472896
    Abstract: A carton serving as a container for a food product, such as a hamburger. The carton in one embodiment is of the so-called clamshell type and includes an upper lid and a lower tray, both the lid and the tray being of generally truncated pyramidal shape. The novel feature of the clamshell carton permits the packager of the food product to indicate on the carton the type of food product therein. One panel of the carton carries a plurality of shutter panels, the shutter panels overlying and normally covering indicia on an indicia panel. With the packaging of a particular food product in the carton, any one of the plurality of the shutter panels is swung out so as to expose corresponding indicia on the indicia panel. By virtue of this construction, a single carton may be employed for the packaging of a variety of generally similarly sized food products.
    Type: Grant
    Filed: November 30, 1982
    Date of Patent: September 25, 1984
    Assignee: International Paper Company
    Inventors: Arne H. Brauner, Mary M. Watson