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US Patent: 403,543
Vacuum or Pressure Gage
Patentee:
Martin Luscomb (exact or similar names) - Bridgeport, Fairfield County, CT

USPTO Classifications:
73/73

Tool Categories:
gauges : vacuum and pressure gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 19, 1888
Granted: May 21, 1889

Patent Pictures:
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