Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
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 © 2002-2024 - DATAMP