Building units and construction elements – Structure – Having curved or vaulted roof
Patent
1978-01-13
1980-03-11
Word, A. Hugo
Building units and construction elements
Structure
Having curved or vaulted roof
D25 56, D2599
Patent
active
D02544482
REFERENCES:
patent: D185579 (1959-06-01), Sklar
patent: D198565 (1964-07-01), Cooper
patent: D227457 (1973-06-01), Skaroff
patent: D248776 (1978-08-01), Kinnebrew
patent: 2193469 (1940-03-01), Ashton
Design, Sep. 1976, p. 51, FIGS. 8 & 9.
Friedman Alex
Word A. Hugo
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