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Patent number:
Patent Date:
US Patent: 938,709
Electromechanical device
Patentee:
George H. Rowe (
exact
or
similar
names) - Berwyn, IL
USPTO Classifications:
173/114
,
173/117
,
310/75R
,
310/83
,
74/44
Tool Categories:
handheld power tools
:
handheld impact tools
:
impact riveters
Assignees:
Electro-Magnetic Tool Co.
- Chicago, IL
Manufacturer:
Electro-Magnetic Tool Co.
- Cicero, IL
Witnesses:
E. L. Breidert
P. H. Truman
Patent Dates:
Applied:
Jun. 11, 1909
Granted:
Nov. 02, 1909
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Electro-Magnetic Tool Co.
Description:
This patent contains improvements to a patent that was approved after this one:
973,216
.
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