Grinding & Sizing Company, Inc. Trademarks
FIBERFLUID
Filed: October 7, 1991
oil well drilling fluid chemical additives
Owned by: Grinding & Sizing Company, Inc.
Serial Number: 74209826
EXCEL FIBER
Filed: February 16, 1993
oil well drilling fluid chemical additive
Owned by: Grinding & Sizing Company, Inc.
Serial Number: 74358963
PRONTO PLUG
Filed: February 16, 1993
oil well drilling fluid chemical additive
Owned by: Grinding & Sizing Company, Inc.
Serial Number: 74359426
