Granted Patent
Utility
US 4,502,193 · App. 06/330,260
Stand-off fastener
Inventors:
Raymond E. Harmon, Lloyd R. Poe
Patented Case
View Patent ↗
Granted: Mar 5, 1985
Filed: Dec 14, 1981
Inventors
Raymond E. Harmon
Lloyd R. Poe
Assignee (at issue)
Hartwell Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.