Patents by Inventor Dingwen Li

Dingwen Li 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).

  • Packaged rodenticide
    Patent number: 7067142
    Abstract: A packaged animal poison includes a binder/rodenticide/bait mix molded into a cellulosic housing. The housing is covered with a removable cover. The housing defines an internal cavity in which the rodenticide is disposed, a lower wall extending laterally beyond the cavity, and an outer lower surface with adhesive at its underside. The package itself may also contain rodent attractant material and/or a human aversion agent.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: June 27, 2006
    Assignee: S.C. Johnson & Son, Inc.
    Inventors: James W. Yonker, Nathan R. Westphal, Michael J. Skalitzky, Brian T. Davis, Dingwen Li
  • Packaged rodenticide
    Publication number: 20030138472
    Abstract: A packaged animal poison includes a binder/rodenticide/bait mix molded into a cellulosic housing. The housing is covered with a removable cover. The housing defines an internal cavity in which the rodenticide is disposed, a lower wall extending laterally beyond the cavity, and an outer lower surface with adhesive at its underside. The package itself may also contain rodent attractant material and/or a human aversion agent.
    Type: Application
    Filed: January 22, 2002
    Publication date: July 24, 2003
    Inventors: James W. Yonker, Nathan R. Westphal, Michael J. Skalitzky, Brian T. Davis, Dingwen Li