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US Patent: 2,213,098
Pen for Recording Instruments
Patentee:
Norman J. Smith (exact or similar names) - Medfield, Norfolk County, MA

USPTO Classifications:
346/140.1

Tool Categories:
industrial machines : industrial recording apparatus

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 16, 1939
Granted: Aug. 27, 1940

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Crosby Steam Gage & Valve Co.

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