Patents by Inventor James E. Krueger

James E. Krueger 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).

  • Plastic lock
    Patent number: 5819560
    Abstract: A padlock having a U-shaped rigid shackle, a pair of locking balls, a rotatable retainer, and a lock cylinder held into a two piece composite plastic lock body. The two piece lock body can be ultrasonically welded together to capture the mechanical parts inside. The shackle can be metal such as steel, as can be the other mechanical parts. A lightweight, inexpensive yet reliable medium security lock is thus provided. The lock can be used as a safety lock out device or it can be used as a padlock for medium security applications.
    Type: Grant
    Filed: May 2, 1996
    Date of Patent: October 13, 1998
    Assignee: American Lock Company
    Inventors: Duane B. Grahovec, James E. Krueger
  • Amorphous coprecipitates of 4-(monoalkylamino) benzoic acid and derivatives and certain water-soluble materials
    Patent number: 4311694
    Abstract: A composition of matter in pharmaceutical dosage form comprising an amorphous coprecipitate of water-soluble polyhydroxylic organic compounds and 4-(monoalkylamino)-benzoic acid and derivatives for the treatment of atherosclerosis and hyperlipidemia.
    Type: Grant
    Filed: December 31, 1979
    Date of Patent: January 19, 1982
    Assignee: American Cyanamid Company
    Inventors: James E. Krueger, Eugene A. Carpentier