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US Patent: 206,558
Valve Action of Duplex Engines and Pumps
Patentee:
William H. Guild, Jr. (exact or similar names) - Brooklyn, Kings County, NY

USPTO Classifications:
91/189R

Tool Categories:
propulsion and energy : steam engines : steam engine valves
industrial machines : pumps : pump valves

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 12, 1878
Granted: Jul. 30, 1878

Reissue Information:
Reissued as RE9,857 (Sep. 06, 1881)

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Guild & Garrison

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