E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
E04D 3/35 (2006.01) E04D 3/16 (2006.01)
Patent
CA 2250655
A standing seam roof fabricated from a composite stock material having metal layers on either side of a viscoelastic intermediate layer is strong, yet quiet when impacted by rain, sleet or hail.
Bellem Norman
Milburn Charles
Butler Manufacturing Company Inc.
Sim & Mcburney
LandOfFree
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