Patents by Inventor Mary L. Dahlheimer

Mary L. Dahlheimer 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: 5084993
    Abstract: A framework arranged in combination with a fabric worksheet stretched overlying upper and lower horizontal rails of the frame and fixedly secured to interior confronting surfaces of the frame is provided and subsequently mounted with a perimeter continuous scalloped and ruffled web mounted to a rear surface of the frame. A single or plurality of stitched patterns are formed on the fabric worksheet for subsequent mounting to a wall or underlying support surface. The invention may further include a fiber optic cable directed and formed about one or both of the stitched patterns, as well as use of a pneumatic chamber to enhance stretching of the worksheet, wherein the chamber may be mounted within a pocket provided onto a rear surface of the worksheet.
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: February 4, 1992
    Inventor: Mary L. Dahlheimer