Title:
TWO-PHASE CONCRETE AND STEEL MATERIAL
United States Patent 3429094
US Patent References:
Reinforced concrete
- - 1389942
Method of forming pipe
- - 1633219
Shook-sorting machine
- - 1624389
Reinforced concrete
- - 2677955
Reinforced concrete
- - 1389942
Method of forming pipe
- - 1633219
Shook-sorting machine
- - 1624389
Reinforced concrete
- - 2677955
Inventors:
Romualdi, James P.
Publication Date:
02/25/1969
View Patent Images:
Export Citation:
Assignee:
BATTELLE DEVELOPMENT CORP
Primary Class:
Other Classes:
428/338, 106/644, 428/361, 52/659
International Classes:
E04C5/01; E04C3/20; E04C5/01
Foreign References:
| GB252975A | ||||
| GB303406A | ||||
| GB515003A | ||||
| GB799860A |