Patents by Inventor Heiti Kotkas

Heiti Kotkas 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).

  • Semi-rigid insert for a glasses case
    Patent number: D313310
    Type: Grant
    Filed: February 5, 1988
    Date of Patent: January 1, 1991
    Assignee: Bausch & Lomb Incorporated
    Inventor: Heiti Kotkas