Post

Details Post Post

1989-04-17

1991-01-22

Word, A. Hugo

Building units and construction elements

Prefabricated unit

Railing unit or fence

Patent

active

D03140539

REFERENCES:
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patent: Re27200 (1971-10-01), Ferdinand et al.
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patent: 4165698 (1979-08-01), Ferdinand et al.
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patent: 4534145 (1985-08-01), Yang et al.
patent: 4699343 (1987-10-01), Handler et al.
patent: 4711183 (1987-12-01), Handler et al.

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