Patents Assigned to MTH Industries
  • 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