38 PUBLICATIONS PERTAINING TO AIR POLLUTION AND CONTROL, INCLUDING A MONTHLY JOURNAL, A YEARLY DIRECTORY AND RESOURCE BOOK, A YEARLY PRODUCTS GUIDE, TECHNICAL BOOKS, MEMBERSHIP REPORTS AND PERIODIC WASHINGTON REPORT BULLETINS
Trademark Events
May 29, 1995
Expired Sec. 9
Jan 21, 1980
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.