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Patent number:
Patent Date:
US Patent: 2,032,015
Friction gear transmission
Patentee:
David Hans Heynau (
exact
or
similar
names) - London, England
USPTO Classifications:
474/37
,
474/43
,
476/53
,
476/70
Tool Categories:
industrial machines
:
industrial machine mechanisms
:
industrial machine speed and direction changing mechanisms
Assignees:
None
Manufacturer:
Master Electric Co.
- Dayton, OH
Witnesses:
Unknown
Patent Dates:
Applied:
Jan. 09, 1935
Granted:
Feb. 25, 1936
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Master Electric Co.
Description:
This patent number was seen on a "Speed Ranger" variable speed motor unit from Master Electric Co., along with patents
1,950,675
and
2,199,491
.
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