Patents by Inventor Daniel M. Chojnacki

Daniel M. Chojnacki 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).

  • Safstrap
    Patent number: 4862554
    Abstract: A lightweight strap with a handle at one end of the strap for grasping and a heavy duty hook snap and "D" ring configuration at the other end. The snap hook to be inserted through a handle or other aperture in a tractor trailer door and snapped to the "D" ring. The length of the strap being sufficient so as to permit an individual to grasp the strap through the handle portion when the tractor trailer door is open and pull upon the strap thereby pulling the door down in a safe and conscientious manner.
    Type: Grant
    Filed: November 4, 1988
    Date of Patent: September 5, 1989
    Inventor: Daniel M. Chojnacki