Patents by Inventor John M. Schaublin

John M. Schaublin 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).

  • Removable latch handle locking device
    Patent number: 4640109
    Abstract: A removable locking device for securing latch handles for the cargo doors of trucks, trailers, rail cars and the like against unauthorized access, comprising a slide box member permanently mounted to the exterior of the door, a removable slide member, a latch handle retaining means, and a cylinder lock.
    Type: Grant
    Filed: June 8, 1984
    Date of Patent: February 3, 1987
    Inventors: John M. Schaublin, Donna S. Schaublin