Patents by Inventor Derry E. Tucker

Derry E. Tucker 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: 4597224
    Abstract: An improved automatic garage door opener system is described, the delay linkage in the motorized door opening mechanism which enables actuation of latch closures for improved security and also provides improved shock cushioning in the system.
    Type: Grant
    Filed: February 2, 1984
    Date of Patent: July 1, 1986
    Inventor: Derry E. Tucker