|
US1757524A
|
|
Manufacture of hollow metal rods, bars, and the like
|
|
US1863159A
|
|
Alloys
|
|
US1704385A
|
|
Manufacture of steel products
|
|
US1528478A
|
|
Alloy
|
|
US1490464A
|
|
Armor-piercing projectile
|
|
US1683886A
|
|
Manufacture of steel
|
|
US1410749A
|
|
Manufacture of steel
|
|
US1375453A
|
|
Manufacture of shovels, spades, and like shoveling or digging devices
|
|
US1362788A
|
|
Manufacture of alloy steel
|
|
US1358199A
|
|
Manufacture of armor-piercing projectiles, shells, and other hollow bodies
|
|
US1375452A
|
|
Cap for armor-piercing projectiles
|
|
US1448800A
|
|
Cap for armor-piercing projectiles
|
|
US1363467A
|
|
Manufacture of caps for armor-piercing projectiles
|
|
US1367545A
|
|
Manufacture of sound ingots and billets of special steel
|
|
US1398229A
|
|
Armor-piercing projectile
|
|
US1381633A
|
|
Armor-piercing projectile
|
|
US1365987A
|
|
Manufacture of gun-tubes and like tubular bodies
|
|
US1357705A
|
|
Manufacture of shells
|
|
US1347741A
|
|
Manufacture of steel
|
|
US1435294A
|
|
Manufacture of steel
|
