Archive for March, 2014

United States Patent and Trademark Office Issues 700,000th Design Patent

Friday, March 28th, 2014

The Department of Commerce’s United States Patent and Trademark Office (USPTO) today commemorated the issuance of the 700,000th design patent during a ceremony with United States Secretary of Commerce Penny Pritzker at Langdon Education Campus in Washington, DC. The patent for the ornamental design for a “Hand-Held Learning Apparatus” was issued to Jason Avery of Berkeley, California and is currently assigned to Emeryville, California-based LeapFrog Enterprises, Inc.

Patent research on retarders used in oil well cements

Wednesday, March 12th, 2014