72265059
Feb 20, 1967
Feb 10, 1970
PARTING COMPOUNDS AND MOLD RELEASE AGENTS, FILLET MATERIAL AND OTHER PATTERN FILLERS AND SURFACE MODIFYING MATERIALS AS USED IN PRODUCING PATTERNS FOR THE FOUNDRY TRADE
ChemicalsGUIDE PINS, CORE BOXES, FLASKS, SAND MOLD RETAINERS, AND ACCESSORIES AND PARTS THEREFOR AS USED IN THE FOUNDING TRADE
Firearms