Patents by Inventor Lee Fern Arnold

Lee Fern Arnold 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).

  • Clevis
    Patent number: 4081954
    Abstract: A clevis shackle having a locking pin spring-loaded to span and normally close the shackle area of the clevis.
    Type: Grant
    Filed: June 17, 1977
    Date of Patent: April 4, 1978
    Inventor: Lee Fern Arnold