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US Patent: 1,009,266
Attachment-securing means
Patentee:
Milton G. Swan (exact or similar names) - Lancaster, PA

USPTO Classifications:
81/4

Tool Categories:
trade specific : engraver

Assignees:
Stehman & Swan Mfg. Co. - Lancaster, PA

Manufacturer:
Stehman & Swan Mfg. Co. - Lancaster, PA
Stehman & Stehman - Lancaster, PA

Witnesses:
Mabel L. Lefevre
William J. Coulter

Patent Dates:
Applied: Jun. 13, 1910
Granted: Nov. 21, 1911

Patent Pictures:
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Vintage Machinery entry for Stehman & Stehman
Description:
Stehman & Swan Mfg. Co. succeeded Stehman & Stehman, which had succeeded Stehman, Jenks & Stehman. All of them made engravers' supplies and watchmakers' lathes.

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