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Patent number:
Patent Date:
US Patent: 539,423
Ratchet Drill
Patentee:
Jacob Emig (
exact
or
similar
names) - Buffalo, NY
USPTO Classifications:
192/43.2
,
192/44
,
408/122
Tool Categories:
woodworking tools
:
hand drills
Assignees:
Gustavus A. Schaefer
- Buffalo, NY
Henry L. Schaefer
- Buffalo, NY
Manufacturer:
Keystone Mfg. Co.
- Buffalo, NY
Witnesses:
James Sangster
Henry C. Ashbery
Harriet Johnson
Patent Dates:
Applied:
Apr. 10, 1894
Granted:
May 21, 1895
Patent Pictures: [
1
|
2
]
USPTO
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Report data errors or omissions to steward Jeff Joslin (dm)
Description:
James Sangster - patent attorney
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