Patents by Inventor Ian J. Hart

Ian J. Hart 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).

  • Golf trolleys
    Patent number: 4705293
    Abstract: A collapsible golf trolley, especially an electrically powered trolley, has a sub-frame carrying an axle on which the main trolley wheels are mountable, a pivotally mounted extension carrying a forward wheel, and a two part handle pivotally mounted to the sub-frame whereby in the storage condition the extension is folded under the sub-frame and the handle, with one part folded back on the other is folded over the sub-frame.
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: November 10, 1987
    Inventor: Ian J. Hart