Patents by Inventor Frank W. Spencer, Jr.

Frank W. Spencer, Jr. 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).

  • Automatic corkscrew
    Patent number: 5079975
    Abstract: An automatic corkscrew is capable of both extracting and reinserting a cork from and into a bottle. The corkscrew includes an extraction tube which engages the bottle and forms a cork receiving area. The auger extends through the extraction tube. When rotated in a clockwise direction, the corkscrew first penetrates and then extracts the cork from the bottle. When rotated in the opposite direction, the corkscrew reinserts the cork into the bottle. A gripping means if formed on the extraction tube for gripping the bottle during reinsertion of the cork into the bottle.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: January 14, 1992
    Inventor: Frank W. Spencer, Jr.