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US Patent: 111,748
Improvement in pumps
Patentee:
John Humphrey (exact or similar names) - Keene, NH

USPTO Classifications:
222/385, 254/31, 74/104

Tool Categories:

Assignees:
James Wilson - Bridgeport, CT

Manufacturer:
Humphrey Machine Co. - Keene, NH

Witnesses:
M. M. Livingston
T. B. Beecher

Patent Dates:
Granted: Feb. 14, 1871

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for John Humphrey, Humphrey Machine Co.
Description:
The inventor was a manufacturer of woodworking machinery.

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