Nonmetallic building materials Trademarks Filed in May 12, 1966
ENVIRO-WALL
Filed: May 12, 1966
DEMOUNTABLE WALL PANEL PARTITIONS
Owned by: HOUGH MANUFACTURING CORPORATION
Serial Number: 72245484
ENVIORO-FLEX
Filed: May 12, 1966
OPERABLE WALL PANEL PARTITIONS
Owned by: HOUGH MANUFACTURING CORPORATION
Serial Number: 72245485
JARGAL
Filed: May 12, 1966
REFRACTORY FURNACE LININGS
Owned by: SOCIETE EUROPEENNE DE PRODUITS REFRACTAIRES
Serial Number: 72245498
