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

Quick search:	Patent number:	Patent Date:

US Patent: 1,516,207
Hardness-testing machine
Patentee: Stanley P. Rockwell (exact or similar names) - Syracuse, NY USPTO Classifications: 73/83 Tool Categories: metalworking tools : machinist tools : measuring tools : metal hardness testers Assignees: None Manufacturer: Wilson Mechanical Instrument Co., Inc. - New York, NY Wilson Mechanical Instrument Division, American Chain & Cable Co., Inc. - Bridgeport, CT Witnesses: Unknown	Patent Dates: Applied: Sep. 11, 1919 Granted: Nov. 18, 1924 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Wilson Mechanical Instrument Co.
Description: One of the two patents covering the original and famous Rockwell hardness tester; see also patent 1,516,208.

Copyright © 2002-2024 - DATAMP