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Patent number:
Patent Date:
US Patent: 1,340,359
Valve-seat reamer
Patentee:
Frans O. Albertson (
exact
or
similar
names) - Sioux City, IA
USPTO Classifications:
408/83.5
,
451/430
Tool Categories:
metalworking machines
:
drilling and boring
:
drill bits
:
reamers
specialty machines
:
valve reseating machines
Assignees:
Albertson & Co.
- Sioux City, IA
Manufacturer:
Albertson & Co.
- Sioux City, IA
Witnesses:
Guy R. Neulitops
H. Walton
Patent Dates:
Applied:
Dec. 20, 1919
Granted:
May 18, 1920
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Albertson & Co.
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