Patents by Inventor Raymond R. Ostergren

Raymond R. Ostergren 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: 4702476
    Abstract: A game set includes a plurality of individual game articles, with each article including two companion playing pieces. The pieces mate with each other, but not with the pieces of other articles in the set, to form the article. The pieces of each article are separable from each other, for playing a game of seeking to mate the companion pieces of the article. In a preferred embodiment, a signal device is included in each article and is actuated by assembling the playing pieces into the article.
    Type: Grant
    Filed: August 15, 1985
    Date of Patent: October 27, 1987
    Inventor: Raymond R. Ostergren