Patents by Inventor Opal L. Popkes

Opal L. Popkes 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).

  • Beverage strainers
    Patent number: 4338338
    Abstract: Improvements in beverage, particularly tea and coffee, strainers; dispensing packages for tea and coffee in the manner of a spoon with the dry, water soluble or extractive beverage materials and optional condiments received in portions of the spoon; improved spoon package dispensers for water soluble or extractive beverages such as tea and coffee; tea and coffee individual serving packages functioning additionally as spoons in use.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: July 6, 1982
    Inventor: Opal L. Popkes