Revetment block

Details Revetment block Revetment block

1998-05-21

1999-10-19

Zarfas, Louis S.

Building units and construction elements

Architectural stock material

Construction block or brick type

2501

Patent

active

D04155769

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patent: D378423 (1997-03-01), Henry
patent: 1822602 (1931-09-01), Ross
patent: 2876628 (1959-03-01), Dixon, Jr.
patent: 3347048 (1967-10-01), Brown et al.
patent: 3375667 (1968-04-01), Hard
patent: 3597928 (1971-08-01), Pilmar
patent: 4227829 (1980-10-01), Landry, Jr.
patent: 4564311 (1986-01-01), Scales
patent: 4781492 (1988-11-01), Shindo
patent: 4813812 (1989-03-01), Hasegawa et al.
Brochure, Waterway Technology Corp., Protec, 1990.
Brochure, Amortec, Inc., Amorflex, 1984.

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