Patents by Inventor Patrick A. Hemenway

Patrick A. Hemenway 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: 4861310
    Abstract: The device includes a shaft provided with a handgrip at one end and a cross head of bent wire construction at its remaining end. Rails extend parallel to the shaft and are offset therefrom a suitable distance to enable the upright support of a ring to enable reception of the ring in an upright manner, retention of the ring and launching of the ring without hand contact with the ring. The rails each include a lower end segment inclined to the shaft axis to facilitate entry of the ring into a guideway provided by the shaft and the rails.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: August 29, 1989
    Inventor: Patrick A. Hemenway