Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 941,506
Change Speed Mechanism
Patentee:
Charles B. Elmore - Hartford, Hartford County, CT

USPTO Classifications:
144/92, 474/63, 474/68, 474/77

Tool Categories:
metalworking machines : metalworking machine mechanisms : metalworking machine gearing : metalworking speed changing mechanisms
metalworking machines : drilling and boring : drill presses

Assignees:
Samuel E. Elmore - Hartford, Hartford County, CT

Manufacturer:
Dwight Slate Machine Co. - Hartford, Hartford County, CT

Witnesses:
Arthur B. Jenkins
Lena E. Berkovitch
F. H. Elliott

Patent Dates:
Applied: Nov. 07, 1906
Granted: Nov. 30, 1909

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for Dwight Slate Machine Co.

Copyright © 2002-2019 - DATAMP