Title:
Metallic grating
United States Patent 2742121
US Patent References:
Metal floor beam construction
- - 1967620
Running board for railway cars
- - 2278191
Grating
- - 2302586
Metallic supporting structure
- - 2307869
Flooring or surfacing structure
- - 2478993
Metal floor beam construction
- - 1967620
Running board for railway cars
- - 2278191
Grating
- - 2302586
Metallic supporting structure
- - 2307869
Flooring or surfacing structure
- - 2478993
Inventors:
Liskey Jr., Ernest C.
Publication Date:
04/17/1956
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Export Citation:
Assignee:
Liskey Jr., Ernest C.
Primary Class:
Other Classes:
404/19, 14/73, D25/156
International Classes:
E04C2/42; E04C2/30