DUROTEX
Filed: October 22, 1941
MATERIAL (IN LIQUID, PASTE, AND POWDER FORM) TO BE ADDED TO A CONCRETE MIX TO RENDER THE CONCRETE SURFACE, WHEN HARDENED…
Owned by: A.F. VAN WOLF
Serial Number: 71448020
K.D.S.
Filed: October 22, 1941
MATERIAL (IN LIQUID FORM) APPLICABLE TO MASONRY, CONCRETE, AND WOOD TO PRODUCE A DAMP-PROOF SURFACE
Owned by: A.F. VAN WOLF
Serial Number: 71448021
PRESERVAKURE
Filed: April 27, 1942
MATERIAL (IN LIQUID FORM) APPLICABLE TO SURFACES OF CONCRETE OR THE LIKE TO FORM THEREON, WHEN DRY, A SEALING FILM TENDING…
Owned by: A.F. VAN WOLF
Serial Number: 71452627
KRAK-KURE
Filed: September 3, 1942
MATERIAL (IN MASTIC FORM) FOR PATCHING INDUSTRIAL FLOORS, TRUCKING LANES, ETC., OF CONCRETE, MASTIC OR WOOD
Owned by: A.F. VAN WOLF
Serial Number: 71455317
PRESERVATEX
Filed: March 8, 1943
MATERIALS (IN LIQUID FORM), APPLICABLE TO CONCRETE (OR THE LIKE) FOR PURPOSES (A) HARDENING, (B) FINISHING, (C) WATERPROOFING…
Owned by: A.F. VAN WOLF
Serial Number: 71458978
