Patents by Inventor John B. Salt

John B. Salt 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: D249370
    Type: Grant
    Filed: January 11, 1977
    Date of Patent: September 12, 1978
    Inventors: John B. Salt, David J. Salt
  • Patent number: D249371
    Type: Grant
    Filed: January 11, 1977
    Date of Patent: September 12, 1978
    Inventors: John B. Salt, David J. Salt
  • Patent number: D249372
    Type: Grant
    Filed: January 11, 1977
    Date of Patent: September 12, 1978
    Inventors: John B. Salt, David J. Salt
  • Patent number: D250052
    Type: Grant
    Filed: January 6, 1977
    Date of Patent: October 24, 1978
    Inventors: John B. Salt, David J. Salt
  • Patent number: D252164
    Type: Grant
    Filed: January 11, 1977
    Date of Patent: June 19, 1979
    Inventors: John B. Salt, David J. Salt