Granted Patent
Utility
US 4,634,867 · App. 06/762,068
Introduction of samples into a mass spectrometer
Inventors:
Thomas W. Ottley, John Kelshaw Conway
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Jul 19, 1985
Inventors
Thomas W. Ottley
John Kelshaw Conway
Assignee (at issue)
Prutec Limited
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.