Title:
CORRUGATED BOARD
United States Patent 3542636
US Patent References:
Unit formed of sheet material
- - 1875188
Building construction
- - 2122479
Composite thermal insulating unit
- - 2198885
Unit formed of sheet material
- - 1875188
Building construction
- - 2122479
Composite thermal insulating unit
- - 2198885
Inventors:
Wandel, Kurt
Publication Date:
11/24/1970
View Patent Images:
Export Citation:
Assignee:
Wandel, Kurt
Primary Class:
Other Classes:
428/185, 52/783.160, 244/117R, 244/133, 52/783.170, 428/921, 428/186, 428/323, 428/188
International Classes:
B31F1/28; E04C2/34; B31F1/20; B32B3/28; B32B3/10
Foreign References:
| FR677215A | ||||
| FR957619A | ||||
| FR73827A |