Granted Patent
Utility
US 5,311,639 · App. 08/067,722
System for detecting and removing foreign object debris
Inventor:
Geoffrey Boshier
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: May 26, 1993
Inventor
Geoffrey Boshier
Assignee (at issue)
AVCO 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.