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Patent number:
Patent Date:
US Patent: 2,257,407
Knife sharpener
Patentee:
Carlyle C. Wulff (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
451/241
Tool Categories:
knives and cutters
:
sharpening apparatus
metalworking machines
:
grinders
:
sharpening machines
Assignees:
None
Manufacturer:
Wulff Mfg. Co.
- Ontarioville, IL
Witnesses:
Unknown
Patent Dates:
Applied:
Nov. 30, 1940
Granted:
Sep. 30, 1941
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Wulff Mfg. Co.
Description:
This patent number was seen on a Wulff Hone-Rite Sharpener from Wulff Mfg. Co.
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