Patents by Inventor Harold E. Tatum, Sr

Harold E. Tatum, Sr 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: 4455191
    Abstract: An anvil for use in ultrasonic apparatus for welding two thermoplastic sheets where an ultrasonic vibration transmitter is provided having a working surface in contact with one side of one of the sheetlike materials and located in cooperative relation with opposed spaced anvil surfaces located on the opposite side of the sheetlike elements opposite the transmitter for producing welds in the material therebetween and where the anvils are elongate, hollow, and have a slit extending longitudinally thereof.
    Type: Grant
    Filed: May 18, 1983
    Date of Patent: June 19, 1984
    Inventor: Harold E. Tatum, Sr