Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 432,418
Changeable-speed gearing
Patentees:
Lawrence Heath - Macedon, NY
Andrew J. Martin - Macedon, NY

USPTO Classifications:
185/37, 74/353

Tool Categories:

Assignees:
Bickford & Huffman - Macedon, NY

Manufacturer:
Bickford & Huffman Co. - Macedon, NY

Witnesses:
G. W. Kirkpatrick
W. L. Acker

Patent Dates:
Applied: May 20, 1890
Granted: Jul. 15, 1890

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for Bickford & Huffman Co.

Copyright © 2002-2019 - DATAMP