Sign support post
United States Patent 3312034
US Patent References:
/1109695.html
- - 1109695
Coupling strip
- - 1723307
Rolled section for framing in mines and supporting structure for utilizing same
- - 2062686
Flange seal
- - 3093223
/1109695.html
- - 1109695
Coupling strip
- - 1723307
Rolled section for framing in mines and supporting structure for utilizing same
- - 2062686
Flange seal
- - 3093223
Inventors:
Steinmann, William N.
Publication Date:
04/04/1967
View Patent Images:
Export Citation:
Assignee:
POLLAK STEEL COMPANY
Primary Class:
Other Classes:
52/38, 403/387, 52/40
International Classes:
E01F9/011; E04H12/08; G09F7/18; E04H12/24; E04H12/00
Foreign References:
| DE936022C | ||||
| GB178591A |