Title:
Construction panel
United States Patent 2809908
US Patent References:
/1000694.html
- - 1000694
Method of making hollow panels
- - 2385352
Panel structure
- - 2481046
Method of making shock absorbing and insulation material
- - 2652878
Construction panel
- - 2689988
/1000694.html
- - 1000694
Method of making hollow panels
- - 2385352
Panel structure
- - 2481046
Method of making shock absorbing and insulation material
- - 2652878
Construction panel
- - 2689988
Inventors:
French, Richard S.
Publication Date:
10/15/1957
View Patent Images:
Export Citation:
Assignee:
KEYES FIBRE CO
Primary Class:
Other Classes:
428/76, 428/72, 156/183, 52/630, 428/178
International Classes:
E04C2/34; E06B3/70
Foreign References:
| GB546397A | ||||
| FR969140A |