Granted Patent
Utility
US 5,081,450 · App. 07/491,370
Apparatus and method for compressing and expanding multibit digital pixel data
Inventors:
Bruce D. Lucas, Darwin P. Rackley, Jesus A. Saenz
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: Mar 9, 1990
Inventors
Bruce D. Lucas
Darwin P. Rackley
Jesus A. Saenz
Assignee (at issue)
International Business Machines 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.