Patents by Inventor John Stephen Singer

John Stephen Singer 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).

  • Cleanroom coverall
    Patent number: 5784717
    Abstract: A garment is constructed by forming panels of first and second matching layers of two new and useful polyester fabrics sewn together along their edges. The composite panels are sewn together in such a fashion as to create a garment that will provide an effective barrier to dirt and dust particles.
    Type: Grant
    Filed: March 20, 1996
    Date of Patent: July 28, 1998
    Inventor: John Stephen Singer