Home| FAQ	Search:Advanced|Person|Company| Type|Class	Login

Quick search:	Patent number:	Patent Date:

US Patent: 105,543
Improvement in Machine for Sharpening Saws
Patentee: John Atkinson Borthwick (exact or similar names) - Philadelphia, PA USPTO Classifications: 451/236, 76/40 Tool Categories: woodworking machines : circular saws : annular saws Assignees: None Manufacturer: Henry Disston & Sons - Philadelphia, PA Witnesses: Frank B. Richards Louis Boswell	Patent Dates: Granted: Jul. 19, 1870 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen. "Vintage Machinery" entry for Henry Disston & Sons
Description: Sharpener on swinging frame and constructed and jointed to enable the saw blade to be sharpened in place without removing the blade. Available in 1876 Disston Price List

Copyright © 2002-2025 - DATAMP