Granted Patent
Utility
US 6,062,073 · App. 09/149,269
In situ borehole sample analyzing probe and valved casing coupler therefor
Inventors:
Franklin D. Patton, Jan J. Divis
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Sep 8, 1998
Inventors
Franklin D. Patton
Jan J. Divis
Assignee (at issue)
Westbay Instruments, 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.