4. august 1950

4. august 1950: 2 companies

RICHSTONE CORPORATION,LTD. Registreringskode: 058431-2 Juridisk adresse: 901 BLEURY ST, SUITE 312, MONTREAL, QUEBEC, CANADA

LOCKWOOD GEOPHYSICS LIMITED Registreringskode: 049811-4 Juridisk adresse: 85 RICHMOND ST. WEST, SUITE 620, TORONTO, ONTARIO, CANADA, M5H2C9