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

Quick search:	Patent number:	Patent Date:

US Patent: 643,914
Trowel Grinding Machine
Patentee: Edwin F. Shaw (exact or similar names) - Philadelphia, PA USPTO Classifications: 451/213, 451/367 Tool Categories: metalworking machines : grinding machines Assignees: Henry Disston & Sons, Inc. - Philadelphia, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 20, 1896 Granted: Feb. 20, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen. "Vintage Machinery" entry for Henry Disston & Sons
Description: Machine for grinding multiple trowels in one operation.

Copyright © 2002-2024 - DATAMP