Granted Patent
Utility
US 5,065,053 · App. 07/485,059
Exponential function circuitry
Inventors:
Ivan Chan, Russell W. Brown
Patented Case
View Patent ↗
Granted: Nov 12, 1991
Filed: Feb 26, 1990
Inventors
Ivan Chan
Russell W. Brown
Assignee (at issue)
Digital Equipment Corporation of Canada, Ltd.
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.