71656292
Nov 13, 1953
Sep 7, 1954
CORRUGATED METAL PIPE, CORRUGATED METAL MULTI-CENTERED PIPE, SURFACE IMPREGNATED AND COATED CORRUGATED METAL PIPE, SURFACE IMPREGNATED AND COATED CORRUGATED METAL MULTI-CENTERED PIPE, CORRUGATED STRUCTURAL PLATE METAL PIPE, CORRUGATED STRUCTURAL PLATE METAL MULTICENTERED PIPE, HELICALLY CORRUGATED METAL PIPE, AND HELICALLY CORRUGATED MULTI-CENTERED METAL PIPE
Firearms