Building units and construction elements – Architectural stock material – Extruded shape
Patent
1988-06-06
1991-03-05
Word, A. Hugo
Building units and construction elements
Architectural stock material
Extruded shape
Patent
active
D03152154
REFERENCES:
patent: 3082848 (1963-03-01), Keller
patent: 3190408 (1965-06-01), Petterson
patent: 4587774 (1986-05-01), Wendt
patent: 4670938 (1987-06-01), Fowlston
patent: 4828132 (1989-05-01), Franics, Jr. et al.
Clark Doris
Comfortex Corporation
Word A. Hugo
LandOfFree
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