Granted Patent
Utility
US 6,376,839 · App. 09/473,537
SEM for transmission operation with a location-sensitive detector
Inventors:
Michael Frederick Hayles, Gerardus N. A. Van Veen
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Dec 28, 1999
Inventors
Michael Frederick Hayles
Gerardus N. A. Van Veen
Assignee (at issue)
Philips Electron Optics
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.