Building units and construction elements – Prefabricated unit – Framing unit – e.g. – building frame
Patent
1997-08-08
1998-12-01
Clark, Doris
Building units and construction elements
Prefabricated unit
Framing unit, e.g., building frame
2502
Patent
active
D04020448
REFERENCES:
patent: D227086 (1973-06-01), Johnson
patent: 3383821 (1968-05-01), Gatch
patent: 3686805 (1972-08-01), Pofferi
patent: 5396750 (1995-03-01), Kleyn
DeBlock David A.
Eiger Aaron B.
Lazar Ralph M.
Peterson Kurt T.
Clark Doris
ODL Incorporated
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