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US Patent: 1,611,042
Variable-speed mechanism
Patentees:
Herbert L. Johnston (exact or similar names) - Troy, OH
Milton K. Akers (exact or similar names) - Troy, OH

USPTO Classifications:
310/91, 366/601, 475/11, 475/207, 475/208, 477/19

Tool Categories:

Assignees:
Hobart Mfg. Co. - Troy, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 24, 1925
Granted: Dec. 14, 1926

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Hobart Mfg. Co.

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