Building units and construction elements – Architectural stock material – Construction block or brick type
Patent
1998-12-14
1999-11-09
McInroy, Ruth
Building units and construction elements
Architectural stock material
Construction block or brick type
2501
Patent
active
D04163320
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patent: D259762 (1981-07-01), Sabin
patent: 645800 (1900-03-01), Furness
patent: 695621 (1902-03-01), Moyle
patent: 695647 (1902-03-01), Moyle
patent: 779636 (1905-01-01), Dickey et al.
patent: 2208080 (1940-07-01), Overdorff
patent: 3047984 (1962-08-01), De Lauro
patent: 3757430 (1973-09-01), MacBride
patent: 5191744 (1993-03-01), Bowes
patent: 5222342 (1993-06-01), Defferrari
Delehanty Robert A.
McInroy Ruth
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