Patents by Inventor Glenn E. Mackie

Glenn E. Mackie 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: 4327910
    Abstract: A coin-operated arm wrestling device provides a table top, adjustable for height, having a "playing surface" to support the elbows of a pair of contestants, means at each end of the surface to register "falls," score signalling and keeping means and playing surface interrupting means to spoil the elbow supporting surface when a predetermined number of falls have been registered. The device is suitable for use in recreation centers and the like.
    Type: Grant
    Filed: March 7, 1980
    Date of Patent: May 4, 1982
    Inventor: Glenn E. Mackie