Granted Patent
Utility
US 4,346,301 · App. 06/245,285
Ion implantation system
Inventors:
William P. Robinson, Robert L. Seliger
Patented Case
View Patent ↗
Granted: Aug 24, 1982
Filed: Mar 19, 1981
Inventors
William P. Robinson
Robert L. Seliger
Assignee (at issue)
Hughes Aircraft Company
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.