Granted Patent
Utility
US 6,152,667 · App. 09/412,277
Blind aperture fastener
Inventor:
Ken LeVey
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Oct 5, 1999
Inventor
Ken LeVey
Assignee (at issue)
ILLINOIS TOOL WORKS INC.
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.