Patents by Inventor Maria T. Thornhill

Maria T. Thornhill 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).

  • Grasping system for use with a contoured sheet
    Patent number: 4891856
    Abstract: A grasping system (18) for use on contoured sheets (14) to keep sheets tucked and tight under mattress (10). The system comprises two independent terry elastic straps (20) having a nylon insert clip (22) attached to each end and an adjustable slide (24) on each front end (26) of the straps (20). Both straps (20) crisscross along bottom surface portion of the mattress (10).
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: January 9, 1990
    Inventor: Maria T. Thornhill