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US Patent: 64,954
Improved Process of Treating Steel Blades
Patentee:
Henry Disston - Philadelphia, PA

USPTO Classifications:
29/90.01, 72/364, 76/112

Tool Categories:
woodworking machines : specialty machines : tool making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles E. Foster
Wm. Hall Waxler

Patent Dates:
Granted: May 21, 1867

Patent Pictures:
USPTO pdf tiff
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Description:
Treatment of blades (straightening and sizing) through impact or pressure immediately after acheiving the desired temper and while still hot.

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