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Patent number:
Patent Date:
US Patent: 3,280,679
Screw pile and batch delivery
Patentee:
Harold W. Huffman (
exact
or
similar
names) - Hamilton, OH
USPTO Classifications:
271/179
,
271/212
,
414/790.6
,
414/792.7
,
83/101
,
83/112
,
83/79
,
83/94
Tool Categories:
Assignees:
Hamilton Tool Co.
- Hamilton, OH
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
May 17, 1962
Granted:
Oct. 25, 1966
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Hamilton Tool Co.
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