Granted Patent
Utility
US 6,074,147 · App. 09/184,134
Tamper-proof set screw
Inventor:
Rei Chiu Shu
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Nov 2, 1998
Inventor
Rei Chiu Shu
Assignee (at issue)
Ford Motor Company
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.