Granted Patent
Utility
US 6,017,374 · App. 09/019,687
Gas treatment devices
Inventor:
Laurence Huxham
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Feb 6, 1998
Inventor
Laurence Huxham
Assignee (at issue)
Smiths Industries Public Limited Company
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.