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Patent number:
Patent Date:
US Patent: 1,052,649
Grinding Machine
Patentee:
John W. Boynton (
exact
or
similar
names) - Athol, Worcester County, MA
USPTO Classifications:
125/11.01
,
451/213
,
451/374
Tool Categories:
metalworking machines
:
grinders
:
sharpening machines
Assignees:
Union Twist Drill Co.
- Athol, Worcester County, MA
Manufacturer:
Union Twist Drill Co.
- Athol, Worcester County, MA
Witnesses:
C. Stanley Newton
Simon MacKay
L. D. Goodwin
R. B. Ellms
Patent Dates:
Applied:
Jul. 28, 1910
Granted:
Feb. 11, 1913
Patent Pictures: [
1
|
2
|
3
]
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Union Twist Drill Co.
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