Patents by Inventor Jack F. Grosh

Jack F. Grosh 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).

  • Rope locking device
    Patent number: 4790049
    Abstract: A hand operable rope locking device which avoids sliding metal to metal contact of the wearing parts and uses a roller engageable in over center relation with a replaceable elastomeric insert in a pivotally mounted metal locking dog.
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: December 13, 1988
    Inventor: Jack F. Grosh