Trademark Overview
On Tuesday, May 20, 1969, a trademark application was filed for DEI with the United States Patent and Trademark Office. The USPTO has given the DEI trademark a serial number of 72327746. The federal status of this trademark filing is EXPIRED as of Wednesday, November 4, 1992. This trademark is owned by DEVELOPMENT ENGINEERING INCORPORATED. The DEI trademark is filed in the Construction & Repair Services category with the following description:
CUSTOM BUILDING OF KILNS, VERTICAL KILNS, VERTICAL PROCESS EQUIPMENT AND TO MATERIAL HANDLING EQUIPMENT RELATED TO THE OPERATION OF SUCH KILNS AND VERTICAL PROCESS EQUIPMENT