Patents by Inventor Harvey Olson

Harvey Olson 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).

  • Reusable bingo cards
    Patent number: 5762339
    Abstract: A game sheet, for example for the game of bingo is a flexible PVC sheet reverse printed with a set of bingo cards. The front surface of the sheet has an anti-glare finish that accepts solvent-based marks and will also allow the marks to be erased so that the sheet may be reused. The sheets are supplied in books of sheets for multiple games.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: June 9, 1998
    Inventor: Harvey Olson