Composite truss
United States Patent 3137899
US Patent References:
Lattice beam
- - 1813373

Girders
- - 2780842


Inventors:
Troutner, Arthur L.
Publication Date:
06/23/1964
View Patent Images:
Download PDF 3137899 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Troutner, Arthur L.
Primary Class:
52/693
Other Classes:
403/263, 403/230, 403/217
International Classes:
E04C3/07; E04C3/292; E04C3/04; E04C3/29
Foreign References:
DE810188C
DE857139C
FR1225545A
GB846599A