Building units and construction elements – Architectural stock material – Transparent or translucent
Patent
1992-06-25
1994-05-03
Word, A. Hugo
Building units and construction elements
Architectural stock material
Transparent or translucent
Patent
active
D03466655
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patent: D27339 (1897-07-01), Winston
patent: D28001 (1897-12-01), Wright
patent: D99075 (1936-03-01), Eastus
patent: D99076 (1936-03-01), Eastus
patent: D99087 (1983-03-01), Jones
patent: D106977 (1937-11-01), Holmes
patent: D106980 (1937-11-01), Jones
patent: 4852321 (1989-08-01), Fleming, Jr. et al.
patent: 4959937 (1990-10-01), Mayer
patent: 5160566 (1992-11-01), Ashby et al.
Clark Doris
Pittsburgh Corning Corporation
Word A. Hugo
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