Granted Patent
Utility
US 6,025,592 · App. 08/695,207
High temperature specimen stage and detector for an environmental scanning electron microscope
Inventors:
W. Ralph Knowles, Thomas A. Hardt
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Aug 7, 1996
Inventors
W. Ralph Knowles
Thomas A. Hardt
Assignee (at issue)
Philips Electronics North America 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.