Building units and construction elements – Prefabricated unit – Closure
Patent
1988-04-18
1989-06-13
Word, A. Hugo
Building units and construction elements
Prefabricated unit
Closure
Patent
active
D03016226
REFERENCES:
patent: 4677791 (1987-07-01), Larson et al.
patent: 4702036 (1987-10-01), Johnson
The Quaker Oats Company
Word A. Hugo
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