Electrical and scientific apparatus Trademarks Filed in July 13, 1962
KEYSPARK
Filed: July 13, 1962
MATERIAL IN THE FORM OF SLUGS OR BLOCKS TO BE USED IN THE PRODUCTION OF ELECTRODES FOR USE IN CUTTING VARIOUS MATERIALS…
Owned by: KEYSTONE CARBON CO.
Serial Number: 72148979
POLYCRAFT
Filed: July 13, 1962
PRODUCTS FORMED OF PLASTIC DESIGNED TO HOLD, DISPLAY AND STORE BIOLOGICAL TEACHING MATERIALS AS SUPPLIED TO ELEMENTARY SCHOOLS…
Owned by: WARD'S NATURAL SCIENCE ESTABLISHMENT, INC.
Serial Number: 72149027
