Building units and construction elements – Prefabricated unit – Finishing unit
Patent
1990-04-24
1993-06-08
Word, A. Hugo
Building units and construction elements
Prefabricated unit
Finishing unit
D25113
Patent
active
D03363414
REFERENCES:
patent: 1604938 (1926-10-01), Goldie, Sr.
patent: 2089763 (1937-08-01), Rotinoff
patent: 3197930 (1965-08-01), Kimmlinger et al.
patent: 4050254 (1977-09-01), Mehan et al.
Concrete Finishes and Decoration publication dated 1964, p. 29 Figure 31.
Concrete Finishes and Decoration publication dated 1964 p. 24 Figure 25.
Concrete Finishes and Decoration publication dated 1964 p. 110 Figure 146.
Clark Doris
The Reinforced Earth Company
Word A. Hugo
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