Patents by Inventor Fred Crawford

Fred Crawford 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).

  • Fluid-tight blind rivet
    Patent number: 4789283
    Abstract: A fluid tight metallic blind rivet, for aerospace applications, is disclosed comprising a tubular rivet body that is obtained by providing an outer ductile sleeve or jacket on an approved aerospace rivet body wherein the rivet is set by collapsing the body by means of a pull-stem that is locked relative to the body when the rivet is set.
    Type: Grant
    Filed: September 10, 1986
    Date of Patent: December 6, 1988
    Assignee: Pavco Industries, Inc.
    Inventor: Fred Crawford