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US Patent: 1,578,866
Locking device and tool
Patentee:
Donald B. Swain (exact or similar names) - Millers Falls, MA

USPTO Classifications:
279/29, 74/127, D8/82

Tool Categories:
screwdrivers : screwdriver mechanisms : spiral screwdrivers

Assignees:
Millers Falls Co. - Millers Falls, MA

Manufacturer:
Millers Falls Co. - Millers Falls, MA

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 11, 1923
Granted: Mar. 30, 1926

Patent Pictures: [ 1 | 2 ]
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Report data errors or omissions to steward Steve Gosselin
Randy Roeder's Millers Falls Co. site
"Vintage Machinery" entry for Millers Falls Co.
Description:
Information taken from Clifford D. Fales' database.

Examples marked, "MILLERS FALLS CO. / GREENFIELD, MASS. / MADE IN U.S.A. / NO. (61M)(61A)(610A)(67) /PATENTED / MAR 30 1926 / MILLERS FALLS TOOLS / SINCE 1868"

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