|
US2135724A
|
|
Storage tank
|
|
US2089645A
|
|
Liquid storage tank
|
|
US2036047A
|
|
Footing for towers
|
|
US2049263A
|
|
Structural element
|
|
US1956904A
|
|
Apparatus for positioning structural members for drilling and like operations
|
|
US2049262A
|
|
Building construction
|
|
US1898668A
|
|
Floor construction or the like
|
|
US1953627A
|
|
Clip or fastener
|
|
US1941117A
|
|
Indicating device for punch tables
|
|
US1875080A
|
|
Spacing table for machines for punching beams and the like
|
|
US1960884A
|
|
Work-clamping mechanism for angle milling machines
|
|
US1918346A
|
|
Structural member
|
|
US1818418A
|
|
Steel frame house construction
|
|
US1849273A
|
|
Metal unit building system
|
