Granted Patent
Utility
US 5,798,699 · App. 08/779,051
Method for monitoring and selectively sampling a fluid flow stream
Inventors:
Robert L. Bryant, Charles R. Veal
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Jan 6, 1997
Inventors
Robert L. Bryant
Charles R. Veal
Assignee (at issue)
Chemtrac Systems, Inc.
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.