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US Patent: 643,876
Pressure Gage
Patentee:
Frederick Lane (exact or similar names) - Brookline, Norfolk County, MA

USPTO Classifications:
137/454.5, 137/557, 138/26, 73/707, 73/732

Tool Categories:
gauges : vacuum and pressure gauges

Assignees:
Crosby Steam Gage & Valve Co - Boston, Middlesex County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 17, 1898
Granted: Feb. 20, 1900

Patent Pictures:
USPTO (New site tip)
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