Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 112,379
Improvement in machines for shaping and cutting gear-cutters
Patentee:
Francis A. Pratt (exact or similar names) - Hartford, CT

USPTO Classifications:
29/27B, 29/27R, 409/190, 82/11.1

Tool Categories:

Assignees:
Pratt & Whitney Co. - Hartford, CT

Manufacturer:
Not known to have been produced

Witnesses:
Charles S. Bement
Jeremy W. Bliss

Patent Dates:
Granted: Mar. 07, 1871

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Pratt & Whitney Co.

Copyright © 2002-2024 - DATAMP