Patents by Inventor Liesbeth Wenzel

Liesbeth Wenzel 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).

  • Portable electric heater
    Patent number: D418591
    Type: Grant
    Filed: September 11, 1998
    Date of Patent: January 4, 2000
    Assignee: Honeywell Inc.
    Inventors: Walter G. Birdsell, Kenneth David Harris, Jr., Clinton E. Cockrill, Liesbeth Wenzel