Patents by Inventor Martin R. Diehm

Martin R. Diehm 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: 5065917
    Abstract: A boot puller for pulling a boot onto the foot of a wearer comprising an elongated hollow tube having an upper fixed handle and a lower boot engaging portion, the boot engaging portion including a housing, a clamp pivotally mounted in the housing, a vertical stop normally spaced from the pivotal clamp, a vertical rod extending downwardly from above the top of the vertical tube, through the tube, and to a lower end which operatively connects with the pivotal clamp so as to move the clamp toward the stop upon lifting of the rod, the rod having an upper end which connects to the center of a short horizontal and moveable handle, whereby when the boot puller is slipped over the upper rear end of a boot such that the end of the boot is positioned between the clamp and the stop, the wearer can place his fingers beneath the moveable handle while the wearer's foot is inserted into the boot, the rod is urged upwardly while the clamp pivots so that the boot is gripped between the clamp and the stop, and whereby continue
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: November 19, 1991
    Inventor: Martin R. Diehm
  • Patent number: 4890443
    Abstract: A device for wrapping plastic sheet material around the surface of a round bale of hay. The device is in the form of an attachment for an existing hay baler of the type which is capable of scooping up cut hay and wrapping it into round bales. The attachment of the present invention includes a table mounted at the forward end of the baler, a carriage slidably mounted on the table and movable from side to side across the width of the baler, a cartridge containing a length of plastic sheet material mounted on the carriage, and a plastic sheet guide pivotally mounted at the outer end of the pre-existing twine arm. The carriage is movable from side to side across the table in synchronism with the movement of the twine arm.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: January 2, 1990
    Inventor: Martin R. Diehm