POROCEL CORPORATION Trademarks
POROCEL
Filed: August 8, 1936
ADSORBENT MATERIALS, IN THE NATURE OF AN EARTH PRODUCT USED IN THE FILTRATION OF OILS
Owned by: POROCEL CORPORATION
Serial Number: 71381952
ISOCEL
Filed: June 9, 1942
CATALYST OF BAUXITE IMPREGNATED WITH ANHYDROUS ALUMINUM CHLORIDE
Owned by: POROCEL CORPORATION
Serial Number: 71453569
