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US Patent: 1,944,798
Means for Quenching Steels
Patentee:
William Mellor (exact or similar names) - Philadelphia, PA

USPTO Classifications:
134/122R, 134/64R, 134/83, 266/102, 266/114

Tool Categories:

Assignees:
Henry Disston & Sons, Inc. - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 18, 1931
Granted: Jan. 23, 1934

Patent Pictures:
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