Granted Patent
Utility
US 5,379,630 · App. 08/084,652
Thermal conductivity detector
Inventor:
Richard F. Lacey
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Jun 28, 1993
Inventor
Richard F. Lacey
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.