Building units and construction elements – Structure – Simulative
Patent
1976-06-23
1978-02-07
Word, A. Hugo
Building units and construction elements
Structure
Simulative
D2501
Patent
active
D02471850
REFERENCES:
patent: 3682053 (1972-08-01), Kerschner
patent: 3718403 (1973-02-01), Kerschner
patent: 3765784 (1973-10-01), Watson et al.
patent: 3776654 (1973-12-01), Brown
patent: 3918824 (1975-11-01), Bowman
Acme Highway Products Corporation
Christel Conrad
Word A. Hugo
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