Helwig Carbon Products, Inc. Trademarks
HELWIG CARBON
Filed: August 20, 1997
mechanical carbon machine parts, namely, bearings, seals, rings and vanes; and carbon brushes and brush holders for electric…
Owned by: Helwig Carbon Products, Inc.
Serial Number: 75343967
ECARBON
Carbon brushes and carbon brush holders for use as parts of motors and generators for use in connection with steel mills…
Owned by: Helwig Carbon Products, Inc.
Serial Number: 78711565
