Granted Patent
Utility
US 4,565,935 · App. 06/400,688
Logarithmic converter circuit arrangements
Inventor:
Norman F. Rolfe
Patented Case
View Patent ↗
Granted: Jan 21, 1986
Filed: Jul 22, 1982
Inventor
Norman F. Rolfe
Assignee (at issue)
ALLIED CONSULTING, 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.