Granted Patent
Utility
US 4,407,659 · App. 06/346,073
Drive system
Inventor:
Leslie E. S. Adam
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Jan 28, 1982
Inventor
Leslie E. S. Adam
Assignee (at issue)
Varian, 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.