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US Patent: 33,153
Improvement in machines for forming barrel-heads
Patentees:
John B. Dougherty (exact or similar names) - Rochester, NY
P. H. Lawler (exact or similar names) - Spencerport, NY

USPTO Classifications:
147/38

Tool Categories:
trade specific : cooper

Assignees:
None

Manufacturer:
Dougherty & Dorsey - Rochester, NY
P. H. Lawler - Rochester, NY

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 27, 1861

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for P. H. Lawler
Vintage Machinery entry for John B. Dougherty

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