Granted Patent
Utility
US 4,637,836 · App. 06/778,986
Profile control of boron implant
Inventors:
Doris W. Flatley, Sheng Teng Hsu
Patented Case
View Patent ↗
Granted: Jan 20, 1987
Filed: Sep 23, 1985
Inventors
Doris W. Flatley
Sheng Teng Hsu
Assignee (at issue)
RCA 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.