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Patent number:
Patent Date:
US Patent: 1,536,734
Bevel Gear Testing Device
Patentee:
Hubert D. Tanner (
exact
or
similar
names) - Hartford, Hartford County, CT
USPTO Classifications:
33/501.17
,
33/804
Tool Categories:
metalworking machines
:
gear measuring machines
Assignees:
Pratt & Whitney Co.
- Hartford, Hartford County, CT
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Nov. 18, 1921
Granted:
May 05, 1925
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Pratt, Whitney & Co.
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