Granted Patent
Utility
US 4,953,075 · App. 07/355,071
Control system for a sample preparation system
Inventors:
Vance J. Nau, Keith Grant
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: May 17, 1989
Inventors
Vance J. Nau
Keith Grant
Assignee (at issue)
Spectra-Physics, 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.