Granted Patent
Utility
US 6,219,656 · App. 09/448,195
Memory integrity for meters
Inventors:
Brent L. Cain, Brad Smith, Gary Morand
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Nov 23, 1999
Inventors
Brent L. Cain
Brad Smith
Gary Morand
Assignee (at issue)
Schlumberger Resource Management Services, 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.