|
US2610711A
|
|
Double v stud section
|
|
US2630890A
|
|
Multiple tubular section structural member
|
|
US2457250A
|
|
Tubular section structural member
|
|
US2457056A
|
|
Roof truss
|
|
US2440053A
|
|
Floor tile and joist construction
|
|
US1969312A
|
|
Structural unit
|
|
US1899344A
|
|
Composite wood-metal structural member
|
|
US1737601A
|
|
Composite wood-metal structural unit
|
|
GB261618A
|
|
Improved fire-proof floor construction
|
|
GB250588A
|
|
Improvements in trussed structural units
|
|
GB263364A
|
|
Improvements in beams and like structural units
|
|
US1614249A
|
|
Connecting means for structural members
|
|
US1595160A
|
|
Testing apparatus
|
|
US1615335A
|
|
Machine for assembling steel structural units
|
|
US1614247A
|
|
Structural unit
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