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US Patent: 380,797
Planer Gage & Calipers
Patentee:
William Haddow (exact or similar names) - Newton, MA

USPTO Classifications:
33/32.2

Tool Categories:
layout tools : calipers
metalworking machines : metal planers : metal planer accessories

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. P. Richards
Frank J. Howell

Patent Dates:
Applied: Dec. 30, 1887
Granted: Apr. 10, 1888

Patent Pictures:
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