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US Patent: 2,480,807
Method and apparatus for making impeller wheels
Patentee:
Charles B. De Vlieg - Birmingham, MI

USPTO Classifications:
29/23.51, 29/235, 29/889.23, 29/889.4, 409/119, 409/122, 409/84, 415/218.1, 416/183, 416/185, 416/DIG.2

Tool Categories:
metalworking machines : milling machines

Assignees:
Thompson Products, Inc. - Cleveland, OH

Manufacturer:
DeVlieg Machine Co. - Royal Oak, MI

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 18, 1944
Granted: Aug. 30, 1949

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for DeVlieg Machine Co.
Description:
This is the patent for the DeVlieg Vanemil, used to machine supercharger vanes for aviation engines. Assignee Thompson Products made aviation engine components.

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