Patents by Inventor Ron D. Coffman

Ron D. Coffman 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).

  • Blind fastener
    Patent number: 5316422
    Abstract: A fastener which enables the attachment of an article to a panel having front and rear surfaces and an aperture formed therebetween, particularly in cases where access to the panel is limited to one side only. The fastener includes a stud having a head and a shank, a spring mounted upon said stud, and a washer having a through hole. The shank further includes a first retaining portion for securely engaging the washer within said through hole and a second retaining potion for engaging an article for securement thereto.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: May 31, 1994
    Assignee: Qualcomm Incorporated
    Inventor: Ron D. Coffman