Granted Patent
Utility
US 4,682,508 · App. 06/840,513
Inlet valve for probe apparatus
Inventors:
Urs Steiner, James Walter Hurst, J. Alan Schier
Patented Case
View Patent ↗
Granted: Jul 28, 1987
Filed: Mar 6, 1986
Inventors
Urs Steiner
James Walter Hurst
J. Alan Schier
Assignee (at issue)
Finnigan Corporation
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.