Certification Mark Trademarks Filed in August 14, 2003
NBC HIS
HEARING INSTRUMENT DISPENSER SERVICES
Owned by: National Board For Certification In Hearing Instrument Sciences
Serial Number: 76537435
PMTECH
Filed: August 14, 2003
Certification, as used by authorized persons, in connection with the performance of heat pump, air conditioning, and refrigeration…
Owned by: Mainstream Engineering Corporation
Serial Number: 76538040
