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US Patent: 158,669
Improvement in cut-off valve-gears
Patentee:
Hugo Bilgram (exact or similar names) - Philadelphia, PA

USPTO Classifications:
91/259

Tool Categories:
propulsion and energy : steam engines : steam engine valve gear

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John B. Devine
S. Lloyd Wiegand

Patent Dates:
Applied: Apr. 23, 1874
Granted: Jan. 12, 1875

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Hugo Bilgram, Bilgram Machine Works

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