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US Patent: 454,801
Boring and Turning Mills
Patentee:
Wilfred Lewis (exact or similar names) - Philadelphia, PA

USPTO Classifications:
409/225, 82/122

Tool Categories:
metalworking machines : drilling and boring : vertical boring mills

Assignees:
William Sellers & Co. - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 28, 1891
Granted: Jun. 23, 1891

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for William Sellers & Co.

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