Certification Mark Trademarks Filed in October 28, 1992
RRO
Filed: October 28, 1992
quality assurance observation in the field of roofing
Owned by: Roof Consultants Institute
Serial Number: 74325987
RRC
Filed: October 28, 1992
consultation in the field of roofing
Owned by: Roof Consultants Institute
Serial Number: 74325988
XPS
Filed: October 28, 1992
carpets
Owned by: HOECHST CELANESE CORPORATION
Serial Number: 74326025
