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Patent number:
Patent Date:
US Patent: 46,981
Improved ratchet-drill
Patentee:
Edward H. Ashcroft (
exact
or
similar
names) - Lynn, MA
USPTO Classifications:
408/121
Tool Categories:
metalworking tools
:
ratchet drills
Assignees:
None
Manufacturer:
Ashcroft Mfg. Co.
- Boston, MA
Witnesses:
Albert F. Hall
J. B. Crosby
Patent Dates:
Granted:
Mar. 28, 1865
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Ashcroft Manufacturing Co.
Description:
Improvements to Henry H. Packer's patent
20,728
and Henry Getty's patent
43,109
. See also patent
28,328
.
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