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US Patent: 77,123
Improvement in Compasses
Patentee:
Hugh Stewart - Clinton, MA

USPTO Classifications:
33/558.3

Tool Categories:
layout tools : compasses

Assignees:
George F. Wright - Clinton, MA
William Orr, Jr. - Clinton, MA

Manufacturer:
Not known to have been produced

Witnesses:
C. F.W. Parkhurst
H. H. Waters

Patent Dates:
Granted: Apr. 21, 1868

Patent Pictures:
USPTO pdf tiff
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Description:
This compass features replaceable points.

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