|
US2132592A
|
|
Disposal of ammonia liquor
|
|
US2104116A
|
|
Piling section
|
|
US2049817A
|
|
Coke-oven
|
|
US2005369A
|
|
Method of coiling rods or bars
|
|
US1933417A
|
|
Apparatus for wetting skip car charges
|
|
US1727172A
|
|
Bin-gate-operating mechanism for distributing lorries
|
|
US1082359A
|
|
Process of making steel.
|
|
CA140353A
|
|
Steel concrete sheet piling
|
|
US996558A
|
|
Method of making armor-plate.
|
|
US1100193A
|
|
Process of treating armor-plates.
|
|
US952391A
|
|
Steel alloy.
|
|
US1111711A
|
|
Alloyed steel.
|
|
US952392A
|
|
Steel alloy.
|
|
US1111710A
|
|
Steel alloy.
|
|
US987840A
|
|
Process for the manufacture of steel.
|
|
US996544A
|
|
Method of making armor-plates.
|
|
US979113A
|
|
Heat treatment of steel.
|
|
US1097573A
|
|
Armor and safe plate.
|
|
US928348A
|
|
Ballistic plate.
|
|
US1064034A
|
|
Method of treating armor-plate.
|
