Granted Patent
Utility
US 5,627,534 · App. 08/409,766
Dual stage compression of bit mapped image data using refined run length and LZ compression
Inventor:
David Craft
Patented Case
View Patent ↗
Granted: May 6, 1997
Filed: Mar 23, 1995
Inventor
David Craft
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.