Granted Patent
Utility
US 4,936,778 · App. 06/863,061
Method and apparatus for producing comparative data
Inventors:
Anthony P. Setchell, David Lee Stone, Michael Horner
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: May 14, 1986
Inventors
Anthony P. Setchell
David Lee Stone
Michael Horner
Assignee (at issue)
Digital Equipment International, 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.