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

Quick search:	Patent number:	Patent Date:

US Patent: 455,993
Lifting-jack
Patentee: Josiah Barrett (exact or similar names) - Allegheny, PA USPTO Classifications: 254/110 Tool Categories: metalworking tools : lifting jacks Assignees: Duff Mfg. Co., Ltd. - Allegheny, PA Manufacturer: Duff Mfg. Co., Ltd. - Allegheny, PA Witnesses: J. N. Cooke Robert D. Totten	Patent Dates: Applied: Feb. 13, 1891 Granted: Jul. 14, 1891 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: This patent provides an alternative mechanism for the jack shown in patent 312,316.

Copyright © 2002-2024 - DATAMP