Building units and construction elements – Structure – Having curved or vaulted roof
Patent
1975-04-11
1978-01-17
Word, A. Hugo
Building units and construction elements
Structure
Having curved or vaulted roof
D2503
Patent
active
D02469901
REFERENCES:
patent: 3461890 (1969-08-01), Goodrich
patent: 3496686 (1970-02-01), Bird
patent: 3802450 (1974-04-01), Huddle
Seaman International Inc. Pamphlet, Portomod Structure, received 1/30/75, p. 1, building at lower right center.
Architectural Record, vol. 157, Feb. 1975, p. 83, Fig. 4.
Irvin Industries Inc.
Millen I. William
Word A. Hugo
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