Patents by Inventor John C. Czelen

John C. Czelen 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).

  • Condiment grinder
    Patent number: 4343437
    Abstract: A hallow container of hand size with compressible sections driving a ratchet and internal grinding mechanism permitting one-hand operation to grind or crush selected condiments such as pepper or salt.
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: August 10, 1982
    Inventor: John C. Czelen