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US Patent: 491,940
Balance Slide Valve
Patentee:
Charles O. Heggem - Massillon, Stark County, OH

USPTO Classifications:
91/466

Tool Categories:
propulsion and energy : steam apparatus : steam traction engines : valve gear

Assignees:
Russell & Co. - Massillon, Stark County, OH

Manufacturer:
Not known to have been produced

Witnesses:
W. K. Miller
Charles R. Miller
E. G. Lane

Patent Dates:
Applied: Oct. 03, 1892
Granted: Feb. 14, 1893

Patent Pictures: [ 1 | 2 ]
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"Vintage Machinery" entry for C. M. Russell & Co.

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