Granted Patent
Utility
US 5,453,198 · App. 07/993,295
Method for collecting analyte and an orifice for reducing pressure of a fluid
Inventors:
Mehdi Ashraf-Khorassani, Gregory P. Shogan, Raymond K. Houck
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Dec 21, 1992
Inventors
Mehdi Ashraf-Khorassani
Gregory P. Shogan
Raymond K. Houck
Assignee (at issue)
Suprex 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.