Patents by Inventor Erwin Gugler

Erwin Gugler 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).

  • Eyeglasses
    Patent number: D439595
    Type: Grant
    Filed: December 14, 1999
    Date of Patent: March 27, 2001
    Inventor: Erwin Gugler
  • Eyeglasses
    Patent number: D426567
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: June 13, 2000
    Assignee: Swiss Confederation, Represented By Defense Procurement Agency
    Inventor: Erwin Gugler