Revision as of 12:30, 1 June 2009 edit 75.169.187.131 (talk) add ref ← Previous edit		Revision as of 11:59, 4 August 2009 edit undo 75.169.106.222 (talk) →Patent issues Next edit →
Line 25: == Patent issues == Tornado codes and many similar codes (LT codes, Online codes) are patented inside the United States of America and cannot be used without the patent holder's permission. Some other codes listed in the first section might not be patented. == Citations ==

Tornado code: Difference between revisions