42 PREPARING AND PUBLICATION OF OPERATION MANUALS FOR SYSTEMS AND DESIGNS FOR WASTE TREATMENT AND IMPROVEMENTS IN AND OPERATION OF SEWAGE, WASTE AND WATER SYSTEMS
Trademark Events
Aug 18, 1997
Expired Sec. 9
Mar 12, 1984
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.