3 ms·
At least in USA. See http://www.iusmentis.com/patents/crashcourse/rights/ http://www.iusmentis.com/patents/crashcourse/rights/
by intrasight 10y ago
At least in USA. See
http://www.iusmentis.com/patents/crashcourse/rights/ http://www.iusmentis.com/patents/crashcourse/rights/