Electrical and scientific apparatus Trademarks Filed in March 23, 1914
CRYSTOLON

CRYSTOLON

Filed: March 23, 1914
Heat-Refractory Plates, Tubes, Muffles, Crucibles, and Dishes, ADAPTED FOR USE IN LABORATORIES
Owned by: NORTON COMPANY
Serial Number: 71076867

ALUNDUM

ALUNDUM

Filed: March 23, 1914
Heat-Refractory Plates, Tubes, Muffles, Crucibles and Dishes, ADAPTED FOR USE INLABORATORIES
Owned by: NORTON COMPANY
Serial Number: 71076868