Sign up
Title:
Concrete-slab building construction
United States Patent 1468285
Inventors:
Francis, Dampney Gerald
Application Number:
US50392421A
Publication Date:
09/18/1923
Filing Date:
09/28/1921
Assignee:
Francis, Dampney Gerald
Primary Class:
Other Classes:
52/481.1, 52/565, 52/713
International Classes:
E04B2/56
View Patent Images: