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US Patent: 470,001
Screw-driver
Patentee:
Frank A. Howard - Belfast, ME

USPTO Classifications:
81/58, D8/82

Tool Categories:
screwdrivers : screwdriver mechanisms : spiral screwdrivers

Assignees:
None

Manufacturer:
F. A. Howard & Son - Belfast, ME

Witnesses:
R. F. Duton
J. W. Jones

Patent Dates:
Applied: May 16, 1891
Granted: Mar. 01, 1892

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Howard Manufacturing Co.
Description:
Information taken from Clifford D. Fales' database.

Made by / F. A. Howard & Son / Belfast, Me. U.S.A. / Pat. Mar. 1, 1892 " F. A. Howard /—Maker—/ Belfast, Me. / Pat'd Aug. 4, 68 / Nov. 24, 74 / Mar. 1, 92" "ELECTRIC / Pat. Mar. 1, 1892 / N.Y.M'f'g'r's, Co. / New York.

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