Granted Patent
Utility
US 5,304,021 · App. 07/956,858
Screw threaded locking bolt assembly
Inventors:
David J. Oliver, David P. Halliday
Patented Case
View Patent ↗
Granted: Apr 19, 1994
Filed: Oct 2, 1992
Inventors
David J. Oliver
David P. Halliday
Assignee (at issue)
British Aerospace Public Limited Co.
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.