Patents by Inventor Lambert Carl Curt Asker

Lambert Carl Curt Asker 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).

  • Ear protection plug set
    Patent number: D245202
    Type: Grant
    Filed: September 3, 1975
    Date of Patent: July 26, 1977
    Inventor: Lambert Carl Curt Asker