Granted Patent
Utility
US 5,315,113 · App. 07/953,429
Scanning and high resolution x-ray photoelectron spectroscopy and imaging
Inventors:
Paul E. Larson, Paul W. Palmberg
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Sep 29, 1992
Inventors
Paul E. Larson
Paul W. Palmberg
Assignee (at issue)
PerkinElmer, 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.