SENTRY COMPANY, THE Trademarks
SENTRY DIAMOND BLOCK
Filed: December 17, 1928
NON-METALLIC HEAT-TREATING BOXES, CHAMBERS, AND BLOCKS
Owned by: SENTRY COMPANY, THE
Serial Number: 71276864
SEN-PAK
Filed: March 21, 1966
METAL FOIL BAG-LIKE CONTAINERS FOR PROTECTING METAL WORK PIECES WHILE UNDERGOING HEAT TREATMENT
Owned by: SENTRY COMPANY, THE
Serial Number: 72241531
