Patents by Inventor John M. McAllister

John M. McAllister 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: 4811750
    Abstract: The present invention entails a cane having a finger assembly in the lower portion thereof and extendable from the cane for gripping objects. In particular, the finger assembly is biased toward an extended position. A locking mechanism enables the finger assembly to be locked in an infinite number of positions between a fully extended position and a fully retracted position such that objects of various sizes can be retrieved and held.
    Type: Grant
    Filed: June 14, 1988
    Date of Patent: March 14, 1989
    Inventor: John M. McAllister