Patents by Inventor Carl F. Smajd

Carl F. Smajd 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).

  • Pneumatic tire tread and buttress
    Patent number: D254368
    Type: Grant
    Filed: August 14, 1978
    Date of Patent: March 4, 1980
    Assignee: Uniroyal, Inc.
    Inventor: Carl F. Smajd
  • Pneumatic tire tread and buttress
    Patent number: D259483
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: June 9, 1981
    Assignee: Uniroyal, Inc.
    Inventor: Carl F. Smajd