| PROPSTAR COVIA SOLUTIONS INC.
1473815 19 Mar 2010 | on 25 Jan 2013 | Class 001 Class 001 Chemical Products Proppant for use in oil well and gas well hydraulic fracturing operations. | | | PROPSTAR N.T.M. MARKETING LTD.
1139817 08 May 2002 | on 26 Aug 2004 | Class 035 Class 035 Advertising, Business & Retail Services Class 042 Class 042 Computer & Software Services & Scientific Services Advertising agency, design (graphic art) services and marketing services, namely advertising services, market research, market analysis and business marketing consulting services; product placement for the entertainment industry. | |