Granted Patent
Utility
US 4,881,075 · App. 07/108,892
Method and apparatus for adaptive data compression
Inventor:
Lih-Jyh Weng
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Oct 15, 1987
Inventor
Lih-Jyh Weng
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.