Nonmetallic building materials Trademarks Filed in April 8, 1974
DY-CORE
Filed: April 8, 1974
EXTRUDED HOLLOW PRESTRESSED CONCRETE SLABS
Owned by: J.W. PETERS & SONS, INC.
Serial Number: 73018118
NILCON
Filed: April 8, 1974
STRUCTURAL MATERIAL IN THE FORM OF STONES AND ARTIFICIAL STONES, CONCRETE, LIME, MORTAR, PLASTER AND GRAVEL
Owned by: INGENJORSFIRMAN NILCON AKTIEBOLAG
Serial Number: 73018235
