US Patent: 704,521 - Metal-bending tool


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US Patent: 704,521

Metal-bending tool

Patentees:

Ezra Estep (exact or similar names) - Sandwich, IL

James J. Dolan (exact or similar names) - Sandwich, IL

USPTO Classifications:

72/310

Tool Categories:

metalworking machines : metal bending machines

Assignees:

None

Manufacturer:

D. A. Hinman & Co. - Sandwich, IL

Estep & Dolan - Sandwich, IL

Witnesses:

H. A. Scovy

S. D. Newton

Patent Dates:
Applied:	Jun. 06, 1902
Granted:	Jul. 15, 1902

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for James Knights Co.
Vintage Machinery entry for D. A. Hinman & Co.
Vintage Machinery entry for Estep & Dolan

Description:

This bending machine was manufactured by Estep & Dolan between 1905 and 1910, then by D. A. Hinman & Co. until about 1940, and then by James Knights Co. (we do not list that last firm as a manufacturer because the patent was long expired by then.)