US Patent 8074660 Expandable face mask with engageable stiffening element
Patent 8074660 was granted and assigned to 3M on December, 2011 by the United States Patent and Trademark Office.
Name
# Contributions
Last Contribution
Find more entities like US Patent 8074660 Expandable face mask with engageable stiffening element
Use the Golden Query Tool to find similar entities by any field in the Knowledge Graph, including industry, location, and more.
By using this site, you agree to our Terms of Service.