Patents by Inventor Donald Waslander

Donald Waslander 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).

  • Optical measuring instrument
    Patent number: D271901
    Type: Grant
    Filed: April 28, 1981
    Date of Patent: December 20, 1983
    Assignee: Essilor International (Compagnie Generale d'Optique)
    Inventor: Donald Waslander