So the Tunequest[0] article referenced got it wrong on the last two? I have a hard time figuring out what applies and does not apply to patents filed between 19

So the Tunequest[0] article referenced got it wrong on the last two? I have a hard time figuring out what applies and does not apply to patents filed between 1995 and 1999 [0]: http://www.tunequest.org/a-big-list-of-mp3-patents/20070226/ http://www.tunequest.org/a-big-list-of-mp3-patents/20070226/