PTO means Patent and Trademark Office
U.S. Department of Commerce in
FDA
Similar to PTO
ACTH - AdrenoCorticoTropic Hormone
ACTIS - Aids Clinical Trials Information Service
ACUS - Administrative Conference of the United States
ACWA - Administrative Careers With America
AD - Action Due
ad lib - as much as needed
ADA - American Dental Association
View all in FDA