Patents by Inventor Nathan H. Schwartz

Nathan H. Schwartz 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).

  • Bone attachment system
    Patent number: 5139500
    Abstract: An attachment wire construction for attaching bone together, including an elongated wire having a leading end defining a drill tip. The wire has an anular breakneck groove that forms a reduced diameter frangible section. The leading end of the wire is externally threaded along the length of the wire.
    Type: Grant
    Filed: January 9, 1990
    Date of Patent: August 18, 1992
    Inventor: Nathan H. Schwartz
  • Door hardware cover
    Patent number: 4921028
    Abstract: A cover for door hardware which has a plastic sheet to be adhesively attached to the base of the door hardware and cover the door hardware while painting.
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: May 1, 1990
    Inventor: Nathan H. Schwartz
  • Wound irrigation system
    Patent number: 4421505
    Abstract: A method of irrigating a wound in a body part with a treatment liquid including the steps of placing a piece of tubing having a perforated section therein in the body part so that the perforated section is located in the vicinity of the wound in the body part to be irrigated; connecting one end of the tubing to a source of the treatment liquid so that the treatment liquid passes through the tubing into the body part and is discharged into the wound through the perforated section; and connecting the opposite end of the piece of tubing to a vacuum source so that a vacuum can be imposed through the tubing on the treatment liquid passing into the body part through the tubing and through the perforated section on any liquid in the body part to withdraw same. The apparatus for carrying out the method is also disclosed.
    Type: Grant
    Filed: May 20, 1982
    Date of Patent: December 20, 1983
    Inventor: Nathan H. Schwartz
  • Wound irrigation system
    Patent number: 4413987
    Abstract: A method of irrigating a wound in a body part with a treatment liquid including the steps of placing a piece of tubing having a perforated section therein in the body part so that the perforated section is located in the vicinity of the wound in the body part to be irrigated; connecting one end of the tubing to a source of the treatment liquid so that the treatment liquid passes through the tubing into the body part and is discharged into the wound through the perforated section; and connecting the opposite end of the piece of tubing to a vacuum source so that a vacuum can be imposed through the tubing on the treatment liquid passing into the body part through the tubing and through the perforated section on any liquid in the body part to withdraw same. The apparatus for carrying out the method is also disclosed.
    Type: Grant
    Filed: February 2, 1982
    Date of Patent: November 8, 1983
    Inventor: Nathan H. Schwartz