Granted Patent
Utility
US 4,555,768 · App. 06/502,014
Digital signal processing system employing logarithms to multiply and divide
Inventors:
Henry G. Lewis, Jr., Thomas Michael Stiller
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Jun 7, 1983
Inventors
Henry G. Lewis, Jr.
Thomas Michael Stiller
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.