The official repository for U.S. Army Corps of Engineers (USACE) Engineering Regulations (ERs), Engineering Circulars (ECs), Engineering Manuals (EMs) and other official public documents originating from Headquarters USACE
The Household Products Database, until recently hosted by the National Library of Medicine (NLM) of the National Institutes of Health (NIH), has been discontinued. You will be redirected to this site, the Consumer Product Information Database (CPID) which has been the source for the Household Products Database for 20 years.
Simultaneously search Google Patents and Google Scholar to locate existing documentation of inventions. Searches within the United States Patent and Trademark Office (USPTO), the European Patent Office (EPO), and the World Intellectual Property Organization (WIPO), as well as the materials within Google Scholar.