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Software Patents - Data Compression

1984-03-20   What a good news compressor should do - See document
1984-07-05   File compression utility - document
1984-07-26   Lempel-Ziv Compression Made Swift - See document
1984-08-05   Fast portable version of compress.c - See document
1984-08-30   File compression program (compress) release 2.0 - See document

1985-01-03   Compress release 3.0 - See document
1985-01-05   Lempel-Ziv data compression -- from now on, consider it standard - See document
1985-05-18   compress update - See document
1985-08-01   Compress 4.0 -  See document

1986-04-23   Lempel and Ziv do it again - See document

1987-05-09   Copyright status of ARC, LZW, and COMPRESS programs questioned - See document

1990-02-06   A file compression program - See document
1990-05-29   News compression information - See document
1990-06-07   Function "prratio()" in sources to BSD compress - See document
1990-06-30   Compression algorithm patents
1990-07-27   Imagine if you couldn't use compress any more  More  More  More  More  More

1991-02-15   Wanted: more information for compression survey
1991-02-17   Anyone want to gamma-test a compressor? - See document
1991-02-31   Compress
1991-03-07   An introduction to Y coding - See document
1991-03-22   Public-domain replacement for compress programs - See document
1991-03-24   Looking for info on image compression
1991-07-15   Yabba, Y-coding? - See document
1991-07-29   LZRW5 is NOT original - See document
1991-11-13   yabba compressor - why not on prep ?
1991-12-20   Permission to use compress

1992-05-15   Compression Patent
1992-05-19   Talking about patented algorithms in a paper
1992-12-23   gzip (GNU zip) beta release 0.5 - See document

1993-01-25   gzip (GNU zip) release 0.8.1 - See document
1993-04-15   Why we decided to replace compress

 

 

 

 

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