About 3 Trademarks found that are owned by Sentry Company The

METAL FOIL WRAP FOR PROTECTING METAL WORK PIECES WHILE UNDERGOING HEAT TREATMENT

METAL FOIL WRAP FOR PROTECTING METAL WORK PIECES WHILE UNDERGOING HEAT TREATMENT

WITHOUT WAIVING ANY RIGHTS AT COMMON LAW OR UNDER OTHER STATUTES, APPLICANT DISCCLAIMS ANY ATTEMPT TO COVER IN THIS REGITRATION THE WORD "BLOCK" SO FAR AS ANY MERELY DESCRIPTIVE SIGNIFICANCE IS CONCERNED APART FROM THE MARK AS SHOWN.

FURNACES (ELECTRICALLY HEATED) FOR HEAT TREATMENT AND MELTING OF METAL AND PARTS THEREOF AND MUFFLES, CHAMBERED CARBONACEOUS BLOCKS, COMBUSTION TUBES, AND TRAYS FOR USE WITH SUCH FURNACES