Patents by Inventor George B. McGuffin

George B. McGuffin 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).

  • Key controlled beverage making device
    Patent number: 4728281
    Abstract: A beverage making device and a method of serving beverages to guests in a motel room, hotel room or similar facilities. A one-time use key is provided to control operation of the beverage making device and a disposable cartridge containing infusion material such as coffee, tea and the like is supplied to the guests along with the key by the desk clerk or other attendant when the guests register in the motel or hotel so that a beverage making apparatus in the room occupied by the guests can be operated only once but at any time by the guests without the attention of any motel or hotel personnel to enable the guests to make a beverage when desired.
    Type: Grant
    Filed: July 21, 1986
    Date of Patent: March 1, 1988
    Inventors: George B. McGuffin, Harold L. Nichols, Gilbert E. Black