Building units and construction elements – Structure – Having curved or vaulted roof
Patent
1994-10-21
1996-01-23
Clark, Doris
Building units and construction elements
Structure
Having curved or vaulted roof
Patent
active
D03665305
REFERENCES:
patent: D304240 (1989-10-01), Wright
patent: 3198200 (1965-08-01), Sanders
patent: 3750353 (1973-08-01), Smith, Jr.
patent: 4229914 (1980-10-01), Lucas
patent: 4712339 (1987-12-01), Wenham et al.
patent: 4715077 (1987-12-01), Shepheard
patent: 4815736 (1989-03-01), Wright
patent: 4817223 (1989-04-01), Koch
Maceroni James
Spitz John
Clark Doris
Hudak James A.
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