Granted Patent
Utility
US 5,232,155 · App. 07/902,523
Integrity sensor for fluid jet nozzle
Inventor:
Wei-Long Chen
Patented Case
View Patent ↗
Granted: Aug 3, 1993
Filed: Jun 22, 1992
Inventor
Wei-Long Chen
Assignee (at issue)
Ingersoll-Rand 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.