Treatment of materials Trademarks Filed in December 21, 1993
DAKOTA DIAMONDS & GEMS

DAKOTA DIAMONDS & GEMS

Filed: December 21, 1993
jewelry manufacturing services
Owned by: South Dakota Gold Company, Inc.
Serial Number: 74472031

EXPRESS 48

EXPRESS 48

Filed: December 21, 1993
providing engraving services on an expedited basis
Owned by: Chicago Trophy & Award Co.
Serial Number: 74472056

IN SITU H

IN SITU H

Filed: December 21, 1993
well treatment; namely, enhanced oil recovery services using gas generation at oil well sites
Owned by: McLeaish, Thomas J.
Serial Number: 74472816

ULTRACOAT

ULTRACOAT

Filed: December 21, 1993
applying an ultrasonic transducer coating to a fastener
Owned by: Ultrafast, Inc.
Serial Number: 74473023

DIKLOR

DIKLOR

Filed: December 21, 1993
services to the oil, gas and other industries, municipalities, and mining involving the treatment, through site-generated…
Owned by: EXXON CORPORATION
Serial Number: 74473733