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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:
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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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