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US Patent: 556,237
Vapor Engine
Patentee:
Issac F. Allman - Jersey City, Hudson County, NJ

USPTO Classifications:
74/3

Tool Categories:

Assignees:
None

Manufacturer:
Allman & Thompson - New York, NY

Witnesses:
Theo. G. Hoster
John M. Ritter
H. Walker

Patent Dates:
Applied: Oct. 11, 1895
Granted: Mar. 10, 1896

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Allman & Thompson

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