|
US1488447A
|
|
Flexible shingle
|
|
US1495066A
|
|
Jacketed conduit
|
|
US1414800A
|
|
Pipe joint and method of producing it
|
|
US1438590A
|
|
Flotation process for metallic separation
|
|
GB151639A
|
|
Improvements in bituminous lining for surfaces exposed to corrosive action
|
|
US1482764A
|
|
Package-binding machine
|
|
US1368960A
|
|
Lining launders
|
|
US1360663A
|
|
Floor-covering
|
|
US1361517A
|
|
Bituminous roofing
|
|
US1340181A
|
|
Fibered asphalt
|
|
US1290959A
|
|
Reclamation of discarded mineral-surface roofing.
|
|
US1293293A
|
|
Recovery of fiber and asphalt from roofing-scrap.
|
|
US1452309A
|
|
Asphalt structure and composition
|
|
US1452310A
|
|
Asphalt composition
|
|
US1259223A
|
|
Cementitious bituminous emulsion.
|
|
US1258103A
|
|
Process for the manufacture of bituminous emulsions.
|
|
US1363561A
|
|
Mixing apparatus
|
|
US1363560A
|
|
Movable mixing apparatus
|
|
US1243672A
|
|
Scarifier.
|
|
US1370531A
|
|
Device for facilitating the unloading of tank-cars carrying bituminous materials
|
