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US Patent: 64,954
Improved Process of Treating Steel Blades
Patentee: Henry Disston (exact or similar names) - Philadelphia, PA USPTO Classifications: 29/90.01, 72/364, 76/112 Tool Categories: woodworking machines : specialty woodworking 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 (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
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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