76312859
Sep 14, 2001
Jul 12, 2005
Oil and gas well completion devices for completing and servicing wells, perforating guns for use in the oil and gas industry
MachineryOil and gas well completion devices for completing and servicing wells, namely, down-hole logging instruments used for recording down-hole information
Electrical and Scientific ApparatusOil and gas well completion devices for completing and servicing wells, namely, commercial shaped charges and related explosive and hardware used therewith, for use in the oil and gas industry
Firearms