Building units and construction elements – Architectural stock material – Post or beam
Patent
1999-06-15
2000-02-01
Clark, Doris
Building units and construction elements
Architectural stock material
Post or beam
2501
Patent
active
D04201523
REFERENCES:
patent: D344142 (1994-02-01), Bass
patent: 4509881 (1985-04-01), Welch
Clark Doris
Erwin Industries, Inc.
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