Patents by Inventor William C. La Fever

William C. La Fever 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).

  • Spill resistant disposable paper drinking cup
    Patent number: 4412644
    Abstract: A disposable paper drinking cup that flares outwardly downwardly, so as to form a wide, non-tipping base for standing upon, and an opening upon its narrow upper end for dispensing a beverage therefrom, a reclosable tab on the upper end for the opening, and a pair of handles along a side of the cup for holding in a hand.
    Type: Grant
    Filed: July 20, 1981
    Date of Patent: November 1, 1983
    Inventor: William C. La Fever