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Patent number:
Patent Date:
US Patent: 861,738
Grinding-machine
Patentee:
Abraham B. Landis (
exact
or
similar
names) - Waynesboro, PA
USPTO Classifications:
451/134
,
451/142
,
451/144
Tool Categories:
metalworking machines
:
grinders
Assignees:
None
Manufacturer:
Landis Tool Co.
- Waynesboro, PA
Witnesses:
R. W. Bradford
A. M. Parkins
Patent Dates:
Applied:
Apr. 06, 1906
Granted:
Jul. 30, 1907
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Landis Tool Co.
Description:
Patent covers a roll grinding machine where the rolls can be given a longitudinally slightly convex or concave profile.
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