Building units and construction elements – Prefabricated unit – Closure
Patent
1992-02-27
1994-05-17
Word, A. Hugo
Building units and construction elements
Prefabricated unit
Closure
Patent
active
D03470687
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patent: 2511108 (1950-06-01), Hansen
patent: 3226778 (1966-01-01), Kollsman et al.
patent: 3864881 (1975-02-01), Wolf
patent: 4003102 (1977-01-01), Hawks et al.
patent: 4596093 (1986-06-01), Esposito
patent: 4752106 (1988-06-01), Salvarani
patent: 5038517 (1991-08-01), Talbott
AG Fur Turautomation
Clark Doris
Dunn Michael L.
Simpson Robert P.
Word A. Hugo
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