Granted Patent
Utility
US 5,821,544 · App. 08/703,979
Electron microscope specimen supports
Inventors:
Peter D Augustus, Muhammad M Ahmed
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Aug 28, 1996
Inventors
Peter D Augustus
Muhammad M Ahmed
Assignee (at issue)
GEC-Marconi Ltd.
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.