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US Patent: 1,198,697
Valve Cutting Machine
Patentee:
John W. Brooks (exact or similar names) - Stamford, CT

USPTO Classifications:
82/172

Tool Categories:
specialty tools : valve grinding tools

Assignees:
None

Manufacturer:
Sedlmayer & Brooks - Stamford, CT

Witnesses:
Wm. H. Mulligan
Ross J. Woodward
Benjamin H. Mead
Floyd B. Bartram
Patent Dates:
Applied: Apr. 25, 1914
Granted: Sep. 19, 1916

Patent Pictures:
John W. Brooks patent Sept. 19, 1916
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Description:
Hand crank clamps to valve stem; edge of valve is turned against an adjustable cutter.

Sold as companion piece to Sedlmayer & Brooks' adjustable valve seat truing tool (see pat. no. 1,132,396). Advertised as the AMERICAN VALVE REFACER.

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