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US Patent: 335,740
Calipers
Patentee:
James H. Bullard (exact or similar names) - Springfield, MA

USPTO Classifications:
33/558.1

Tool Categories:
layout tools : calipers

Assignees:
Charles P. Fay - Springfield, MA

Manufacturer:
Not known to have been produced

Witnesses:
H. A. Chapin
William H. Chapin
Patent Dates:
Applied: Sep. 21, 1885
Granted: Feb. 09, 1886

Patent Pictures:
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