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US Patent: 511,924
Artesian-well apparatus
Patentee:
Josiah Barrett (exact or similar names) - Allegheny, PA

USPTO Classifications:
74/40, 74/68

Tool Categories:
industrial machines : pumps : oil well pumps

Assignees:
None

Manufacturer:
Duff Mfg. Co., Ltd. - Allegheny, PA

Witnesses:
J. N. Cooke
William J. Hartin

Patent Dates:
Applied: Mar. 24, 1893
Granted: Jan. 02, 1894

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Duff Mfg. Co.
Description:
Improvements to the inventor's earlier patent 495,689. Unlike most of this inventor's patents, it was not assigned to his employer, Duff Mfg. Co.

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