Patents by Inventor Stuart Spierer

Stuart Spierer 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).

  • Refund bottle and can bag
    Patent number: 4603791
    Abstract: A disposable bag for returning refund bottles to a store is provided that consists of a body of thin flexible sheet material being wide and long enough to accommodate refund bottles of a two liter size which will fit into the proper size container for support and have a counting device built within the container to tally the amount of bottles deposited within.
    Type: Grant
    Filed: January 31, 1985
    Date of Patent: August 5, 1986
    Inventors: Stuart Spierer, George Spector