Granted Patent
Utility
US 5,510,617 · App. 08/404,706
Particle-optical instrument comprising a deflection unit for secondary electrons
Inventors:
Kars Z. Troost, Alexander Henstra
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Mar 15, 1995
Inventors
Kars Z. Troost
Alexander Henstra
Assignee (at issue)
U.S. Philips 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.