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US Patent: 1,265,944
Process of and Apparatus for Heat Treatment of Metal Objects
Charles Napier - Springfield, Hampden County, MA

USPTO Classifications:
148/588, 148/640, 148/658, 266/105, 407/119

Tool Categories:
specialty machines : heat treating machines

Napier Saw Works, Inc. - Springfield, Hampden County, MA

Not known to have been produced

none listed

Patent Dates:
Applied: Jan. 21, 1918
Granted: May 14, 1918

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Napier Saw Works Inc.
This patent was for the clips to heat treat hacksaw blades in a continuous line.

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