Granted Patent
Utility
US 6,490,931 · App. 09/399,403
Fused tension-based fiber grating pressure sensor
Inventors:
Mark R. Fernald, Timothy J. Bailey, Matthew B. Miller, James M. Sullivan, James Dunphy, Christopher J. Wright, Martin A. Putnam, Robert J. Maron, Richard T. Jones, Guy A. Daigle, John J. Grunbeck, Alan D. Kersey
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Sep 20, 1999
Inventors
Mark R. Fernald
Timothy J. Bailey
Matthew B. Miller
James M. Sullivan
James Dunphy
Christopher J. Wright
Martin A. Putnam
Robert J. Maron
Richard T. Jones
Guy A. Daigle
John J. Grunbeck
Alan D. Kersey
Assignee (at issue)
Weatherford/Lamb, 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.