CANOLOK
Filed: November 13, 1961
Sections of Clay Pipe Used for Sewer Lines and the Like and Joints for Securing Said Sections Together
Owned by: Harsco Corporation
Serial Number: 72131802
PLASTER-ALL
Filed: November 13, 1961
PLASTER MIX
Owned by: DES MOINES CONCRETE PRODUCTS CO.
Serial Number: 72131814
ELECTRO
Filed: November 13, 1961
REFRACTORIES, CONSISTING PRINCIPALLY OF SLABS, TILES, SAGGERS, BLOCKS, MUFFLES, HEARTHS, POSTS, CRUCIBLES, AND STOPPERS
Owned by: ELECTRO REFRACTORIES & ABRASIVES CORPORATION
Serial Number: 72131823
ERA
Filed: November 13, 1961
REFRACTORY ARTICLES CONSISTING PRINCIPALLY OF SLABS, TILES, BLOCKS AND STOPPERS
Owned by: ELECTRO REFRACTORIES & ABRASIVES CORPORATION
Serial Number: 72131824
SUPERTITE
Filed: November 13, 1961
TWO COMPONENT, HARDENABLE, SYNTHETIC RESIN GROUT CEMENT COMPRISING A LIQUID AND A POWDER INGREDINT
Owned by: NUKEM PRODUCTS CORP.
Serial Number: 72131863
DECKMATE
Filed: November 13, 1961
Plastic Foam Roof Insulation
Owned by: W. R. GRACE & CO.
Serial Number: 72131915
