Granted Patent
Utility
US 5,598,562 · App. 08/205,025
System and method for adding new waitable object types to object oriented computer operating system
Inventors:
David N. Cutler, James W. Kelly, Jr., Frank L. Perazzoli, Jr.
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Mar 1, 1994
Inventors
David N. Cutler
James W. Kelly, Jr.
Frank L. Perazzoli, Jr.
Assignee (at issue)
Digital Equipment 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.