Concrete block inspection screen

Details Concrete block inspection screen Concrete block inspection screen

1995-04-13

1996-11-12

Zarfas, Louis S.

Building units and construction elements

Miscellaneous

D25152, 52607

Patent

active

D03755746

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patent: 5065560 (1991-11-01), Yoder
Alabama Metal Co. second page (unnumbered), From "Sweet's General Building and Renovation Catalog File" 1994.

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