Patents by Inventor Ronald Coburn

Ronald Coburn 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).

  • Locking knife with movable scale
    Patent number: 4730393
    Abstract: A folding knife having a blade, a first scale and a second scale on either side of the blade with a tumbler or back spring positioned to hold the blade in its operative position having the features of pivotal mounting of the second scale and hand-force latching means of the second scale whereby the second scale can be readily pivotally moved away from the first scale for cleaning.
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: March 15, 1988
    Assignee: W.R. Case & Sons Cutlery Co.
    Inventor: Ronald Coburn