Patents by Inventor John R. Lukes

John R. Lukes 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).

  • Patent number: D255258
    Type: Grant
    Filed: June 8, 1978
    Date of Patent: June 3, 1980
    Inventor: John R. Lukes
  • Patent number: D257536
    Type: Grant
    Filed: June 8, 1978
    Date of Patent: November 18, 1980
    Inventor: John R. Lukes
  • Patent number: D258169
    Type: Grant
    Filed: June 8, 1978
    Date of Patent: February 3, 1981
    Inventor: John R. Lukes