Granted Patent
Utility
US 4,423,490 · App. 06/200,997
JFET Dynamic memory
Inventor:
Bruce B. Roesner
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Oct 27, 1980
Inventor
Bruce B. Roesner
Assignee (at issue)
Burroughs, 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.