Building units and construction elements – Structure
Patent
1997-04-18
1998-02-17
Clark, Doris
Building units and construction elements
Structure
2503
Patent
active
D03909697
REFERENCES:
patent: D336762 (1993-06-01), Miller
patent: 4382190 (1983-05-01), Jacobson
patent: 5454694 (1995-10-01), O'Dell
Clark Doris
Hsu Kao-Jung
LandOfFree
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