Patents by Inventor John H. Holtvoigt

John H. Holtvoigt 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).

  • Patent number: 4141156
    Abstract: A globe lamp with a simulated aircraft circumnavigating the globe in a stable equatorial orbit carrying flashing and non-flashing lights.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: February 27, 1979
    Assignee: The Dolly Toy Company
    Inventor: John H. Holtvoigt
  • Patent number: D253255
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: October 23, 1979
    Assignee: The Dolly Toy Company
    Inventor: John H. Holtvoigt
  • Patent number: D260940
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: September 22, 1981
    Assignee: The Dolly Toy Company
    Inventor: John H. Holtvoigt