Static structures (e.g. – buildings) – Machine or implement
Patent
1994-01-31
1996-06-11
Friedman, Carl D.
Static structures (e.g., buildings)
Machine or implement
2989735, 52635, 527291, 527295, 527371, E04C 309
Patent
active
055244106
ABSTRACT:
An elongated metal structural member including an expanded metal web formed by severing a metal strip along a sinuous path forming a plurality of keystone-shaped tabs on each half, moving the two halves directly away from each other until outer corners of the tabs of one half overlap outer corners of the tabs of the other half, and affixing together the outer corners of one half with outer corners of the other half.
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Friedman Carl D.
National Gypsum Company
Wilkens Kevin D.
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