Granted Patent
Utility
US 4,597,299 · App. 06/709,233
Ion gate sample gas inlet control for gas chromatograph analyzer
Inventors:
Donald N. Campbell, Kishore N. Vora, Robert C. Davis
Patented Case
View Patent ↗
Granted: Jul 1, 1986
Filed: Mar 6, 1985
Inventors
Donald N. Campbell
Kishore N. Vora
Robert C. Davis
Assignee (at issue)
ALLIED CONSULTING, 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.