Granted Patent
Utility
US 4,611,307 · App. 06/780,225
Function analyzing
Inventors:
Roy W. Reach, William M. Kahn, David Shapiro
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Sep 24, 1985
Inventors
Roy W. Reach
William M. Kahn
David Shapiro
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.