Patents by Inventor Sidney C. Metzger

Sidney C. Metzger 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).

  • Welding hood lens support
    Patent number: D322493
    Type: Grant
    Filed: August 24, 1989
    Date of Patent: December 17, 1991
    Inventor: Sidney C. Metzger
  • Lens carriage for welding hoods
    Patent number: D324588
    Type: Grant
    Filed: June 22, 1989
    Date of Patent: March 10, 1992
    Inventor: Sidney C. Metzger