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US Patent: 944,416
Valve
Patentees:
Frederick N. Connet (exact or similar names) - Providence, RI
Arthur W. Graham (exact or similar names) - Providence, RI

USPTO Classifications:
137/532, 251/247, 251/257

Tool Categories:
industrial tools : industrial valves

Assignees:
Builders Iron Foundry - Providence, RI

Manufacturer:
Builders Iron Foundry - Providence, RI

Witnesses:
William R. Tillinghast
Z. Chafee

Patent Dates:
Applied: Nov. 21, 1907
Granted: Dec. 28, 1909

Patent Pictures:
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Vintage Machinery entry for Builders Iron Foundry

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