Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,997,841
Gear Selecting and Shifting Mechanism
Patentee:
William E. Twamley (exact or similar names) - Charlestown, Sullivan County, NH

USPTO Classifications:
74/334, 74/DIG.7, 82/143

Tool Categories:
metalworking machines : metal lathes : turret lathes
metalworking machines : metalworking machine mechanisms : metalworking machine gearing : metalworking speed changing mechanisms

Assignees:
Jones & Lamson Machine Co. - Springfield, Windsor County, VT

Manufacturer:
Jones & Lamson Machine Co. - Springfield, Windsor County, VT

Witnesses:
Unknown

Patent Dates:
Applied: May 15, 1933
Granted: Apr. 16, 1935

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Jones, Lamson & Co.

Copyright © 2002-2024 - DATAMP