Patents by Inventor Albert L. Buffa

Albert L. Buffa 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).

  • Patent number: 4278312
    Abstract: A safety plug for insertion into a female electrical connector of an arc welder includes an electrically insulating slotted male member which can be inserted and locked into a receptacle of the female electrical connector to avoid shorting of an exposed brass core of the female connector when a user disconnects a welding stick from the female connector and drops the female connector to the floor.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: July 14, 1981
    Inventor: Albert L. Buffa