US Patent 5,179,378

Number:	5,179,378
Title:	Method and apparatus for the compression and decompression of data using Lempel-Ziv based techniques
Filed:	30-Jul-1991
Granted:	12-Jan-1993
Inventor:	Ranganathan
Assignee:	University of South Florida

Comment by FAQ:This covers LZ77 hardware compression with a systolic array of processors working in parallel.