"Wolverine has agreed to make an undisclosed lump sum payment for past infringing sales and to pay a royalty for any on-going sales of products that practice e.Digital’s U.S. Patent 5,491,774 ('774)."
http://www.wolverinedata.com/index.php/weblog/corp/
http://www.manta.com/coms2/dnbcompany_hpqmzf