Granted Patent
Utility
US 5,803,507 · App. 08/557,378
Apparatus for handling process fluid
Inventor:
Kim Ngoc Vu
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Nov 13, 1995
Inventor
Kim Ngoc Vu
Assignee (at issue)
Unit Instruments
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.