Trademark Overview
On Thursday, July 20, 1972, a trademark application was filed for TSI with the United States Patent and Trademark Office. The USPTO has given the TSI trademark a serial number of 72430380. The federal status of this trademark filing is EXPIRED as of Monday, May 30, 1994. This trademark is owned by TELECOMMUNICATIONS SCIENCES, INC.. The TSI trademark is filed in the Construction & Repair Services category with the following description:
INSTALLATION AND REPAIR OF TELEPHONE EQUIPMENT