|
US2271920A
|
|
Wear and reinforcing member for concrete floors
|
|
US2231474A
|
|
Structural joint
|
|
US2241952A
|
|
Structural member
|
|
US2148698A
|
|
Fabricated metal panel
|
|
US1885734A
|
|
Ribbon reel
|
|
US1567278A
|
|
Composite or skeleton metal work and method of producing the same
|
|
US1511285A
|
|
Reel
|
|
US1447792A
|
|
Method of welding wires or rods on intersecting lines
|
|
US1509656A
|
|
Wire reel
|
|
US1451835A
|
|
Reel
|
|
US1292812A
|
|
Method of uniting metal parts.
|
|
US1278480A
|
|
Composite metal-work.
|
|
US1435010A
|
|
Composite metal work
|
|
US1176762A
|
|
Electric spot-welding apparatus.
|
|
US1100247A
|
|
Sash or frame construction.
|
|
US1203207A
|
|
Knockdown structure.
|
|
US1133806A
|
|
Process of electrically uniting metallic members.
|
|
US1106516A
|
|
Art of stretching sheet material.
|
|
CA123094A
|
|
Electric welding
|
|
US917617A
|
|
Wire fence.
|
