Patents by Inventor David B. Yeager

David B. Yeager 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: 4649693
    Abstract: Apparatus for use in hand wrapping articles, for example trays of meat, with thermoplastic wrapping sheet material (plastic film) that includes a frame which mounts a wrapping platform, a heated device for severing the wrapping material, a heat sealing platform for sealing the wrapped article, a pair of spaced parallel rollers for supporting a roller of wrapping material with the web of the material extending away from the roll (free end portion) reversely bent over one of the rollers, bracket mechanism for mounting the rollers on the frame, mechanism for selectively varying the pulling force required to pull material from the roll and guide mechanism for abutting against the web intermediate the pair of rollers and the wrapping platform.
    Type: Grant
    Filed: April 18, 1986
    Date of Patent: March 17, 1987
    Inventor: David B. Yeager