here's where you start....

#5,491,774 ....see association lists.

Citations = patents that have been sited by e.Digital( or former company name) for prior art comparability during their application process.

Referenced = companies that have sited e.Digital(or former company name) for prior art comparability during their application process..

http://www.google.com/patents?vid=USPAT5491774

Now do it for each e.Digital qualified patent #.....lol

doni