SHELL PRO
specialty fused silica sand that can minimize the overall thermal expansion of core sand for investment casting foundries…
Owned by: Refractory Service, Inc.
Serial Number: 76511371
CORE PRO
specialty vitreous silica sand that can minimize the overall thermal expansion of core sand for refractories
Owned by: Refractory Service, Inc.
Serial Number: 76516856
SHELL PRO
Filed: January 6, 2011
specialty fused silica sand that can minimize the overall thermal expansion of core sand for investment casting foundries…
Owned by: Refractory Service, Inc.
Serial Number: 85211737
CORE PRO
Filed: January 6, 2011
specialty vitreous silica sand that can minimize the overall thermal expansion of core sand for refractories
Owned by: Refractory Service, Inc.
Serial Number: 85211743
