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US Patent: 989,009
Cylinder Drain Cock Operating Mechanism
Patentee:
Charles L. Heisler (exact or similar names) - Schenectady, Schenectady County, NY

USPTO Classifications:
137/625.47, 91/448, 91/461, 91/464, 91/467

Tool Categories:
transportation : railroads : railroad locomotives : locomotive drain cock apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 25, 1910
Granted: Apr. 11, 1911

Patent Pictures:
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