Granted Patent
Utility
US 4,897,780 · App. 07/135,501
Document manager system for allocating storage locations and generating corresponding control blocks for active documents in response to requests from active tasks
Inventor:
David R. Lakness
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Dec 18, 1987
Inventor
David R. Lakness
Assignee (at issue)
Wang 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.