Trademark Overview
On Tuesday, July 23, 1968, a trademark application was filed for QDM with the United States Patent and Trademark Office. The USPTO has given the QDM trademark a serial number of 72303403. The federal status of this trademark filing is EXPIRED as of Wednesday, November 4, 1992. This trademark is owned by EATON YALE & TOWNE INC.. The QDM trademark is filed in the Education & Entertainment Services category with the following description:
CLASSROOM AND CORRESPONDENCE INSTRUCTION AND TRAINING IN POWER APPARATUS