Building units and construction elements – Architectural stock material – Extruded shape
Patent
1991-05-13
1994-07-19
Largen, James R.
Building units and construction elements
Architectural stock material
Extruded shape
Patent
active
D03489400
REFERENCES:
patent: D265035 (1982-06-01), Fether et al.
patent: D269910 (1983-07-01), Johansson
patent: D275324 (1984-08-01), Wahlin
patent: D288614 (1987-03-01), Bos
patent: D301067 (1989-05-01), Dallaire et al.
patent: D305368 (1990-01-01), Clark
patent: D306491 (1990-03-01), Hallenagren
patent: D327332 (1992-06-01), Clark
Clark James E.
Kessler Peter
Clark Doris
Largen James R.
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