Patents by Inventor Harold Towler

Harold Towler 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).

  • Modular door control apparatus with quick release connection
    Patent number: 5239778
    Abstract: A quick release door closer including a hydraulic assembly and a spring assembly connected at a quick release connection. The quick release connection includes a retaining element and element housing structured to allow the door closer to be easily maintained and, if necessary, the hydraulic assembly to be easily removed and replaced.
    Type: Grant
    Filed: March 24, 1992
    Date of Patent: August 31, 1993
    Assignee: MTH Industries
    Inventor: Harold Towler