Granted Patent
Utility
US 5,081,352 · App. 07/655,887
Technique for the analysis of insulating materials by glow discharge mass spectrometry
Inventors:
Gregory P. Maklae, Daniel W. Oblas, Donald L. Dugger
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: Feb 14, 1991
Inventors
Gregory P. Maklae
Daniel W. Oblas
Donald L. Dugger
Assignee (at issue)
GTE Laboratories Incorporated
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.