Patents by Inventor Leonard E. Smith

Leonard E. Smith 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: 4530496
    Abstract: A device and system for the purpose of exercise and/or physical therapy through use of a primary vessel of pliable plastic material that forms a hollow main body portion at least partially filled with liquid and a second portion in an integral unit with the main body portion and filled with gas or air reservoir of an entrapped volume compressible under pressure of compressive force applied to the main body portion for exercise and therapy involving a finger, fingers, hands, arms, shoulder, chest muscles, jaw, knee, elbow and the like.
    Type: Grant
    Filed: January 27, 1983
    Date of Patent: July 23, 1985
    Assignee: IMNETEC Inc.
    Inventors: Leonard E. Smith, James Johnson