Home| FAQ	Search:Advanced|Person|Company| Type|Class	Login

Quick search:	Patent number:	Patent Date:

US Patent: 257,871
Pump
Patentee: John Humphreys, Jr. (exact or similar names) - Salem, OH USPTO Classifications: 137/596, 137/625.22, 137/625.47, 417/543 Tool Categories: industrial machines : pumps : rotary pumps Assignees: Silver & Deming Mfg. Co. - Salem, OH Manufacturer: Not known to have been produced Witnesses: T. C. Read W. Burr Henion	Patent Dates: Applied: Nov. 01, 1881 Granted: May 16, 1882 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Silver & Deming Mfg. Co.

Copyright © 2002-2024 - DATAMP