Granted Patent
Utility
US 4,462,077 · App. 06/391,699
Trace facility for use in multiprocessing environment
Inventor:
Harold L. York
Patented Case
View Patent ↗
Granted: Jul 24, 1984
Filed: Jun 24, 1982
Inventor
Harold L. York
Assignee (at issue)
Bell Telephone Laboratories, 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.