Nonmetallic building materials Trademarks Filed in October 4, 1977
KLEFSTONE
Filed: October 4, 1977
ASBESTOS CEMENT ARCHITECTURAL PANEL
Owned by: Manville Service Corporation
Serial Number: 73143634
SANTONE
Filed: October 4, 1977
LIGHTWEIGHT EXTERIOR MASONRY PANELS OF ASBESTOS CEMENT
Owned by: JOHNS-MANVILLE CORPORATION
Serial Number: 73143635
UNITED STATES COPYRIGHT OFFICE THE LIBRARY OF CONGRESS
Owned by: COPYRIGHT OFFICE
Serial Number: 89000040
