Patents by Inventor Waldemar B. Schwauss

Waldemar B. Schwauss 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: 4193594
    Abstract: A parlor game in which the player marks with a marking instrument a design by viewing a reverse image of the design through a mirror. Several devices for blocking a direct view between the player's eyes and the design are disclosed.
    Type: Grant
    Filed: February 6, 1978
    Date of Patent: March 18, 1980
    Inventor: Waldemar B. Schwauss