Grating
United States Patent 3156168
US Patent References:
/1060371.html
- - 1060371

Grating
- - 1445401

Grating
- - 1665846

Manufacture of metal grating
- - 2782696

Coatings for the traffic bearing surfaces of grating
- - 2895389


Inventors:
Nagin, Harry S.
Harold, Nagin
Publication Date:
11/10/1964
View Patent Images:
Download PDF 3156168 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Reliance, Steel Products Compan
Primary Class:
404/21
Other Classes:
52/177
International Classes:
E01D19/12; E04C2/42; E04C2/30
US Patent References:
2960918Grating
2960919Grating and method of making same
3025772Surface covering