Granted Patent
Utility
US 5,378,898 · App. 08/062,964
Electron beam system
Inventors:
Peter R. Schonberg, Russell G. Schonberg, David R. Fadness
Patented Case
View Patent ↗
Granted: Jan 3, 1995
Filed: May 14, 1993
Inventors
Peter R. Schonberg
Russell G. Schonberg
David R. Fadness
Assignee (at issue)
Zapit Technology, 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.