Building units and construction elements – Architectural stock material – Extruded shape
Patent
1991-09-16
1994-04-12
Word, A. Hugo
Building units and construction elements
Architectural stock material
Extruded shape
Patent
active
D03460320
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Dahlstrom Metal Moldings and Shapes dated Mar. 1967 Section 6 p. 124 second row third column from right of pg. item 914A.
Trinedge Bonnel publication p. 49 dated Nov. 1988 top center of page illustration #A-852.
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Herron-Zimmers MLPG Co., publication dated May 1965, p. 7, top of page, second item from left of page, .035 Gauge.
Clark Doris
Hunter Douglas Inc.
Polumbus Gary M.
Word A. Hugo
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