Granted Patent
Utility
US 6,442,996 · App. 09/581,558
Method and apparatus for measuring the calorific value of a gas
Inventors:
Robert Thurston, Paul Stephen Hammond, Barry Leonard Price
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Aug 29, 2000
Inventors
Robert Thurston
Paul Stephen Hammond
Barry Leonard Price
Assignee (at issue)
Lattice Intellectual Property, Ltd.
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.