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US Patent: 701,793
Pressure Gage
Patentee: Edward C. Bates (exact or similar names) - Boston, Suffolk County, MA USPTO Classifications: 73/710, 73/732 Tool Categories: gauges : vacuum and pressure gauges Assignees: Crosby Steam Gage & Valve Co. - Boston, Suffolk County, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 08, 1899 Granted: Jun. 03, 1902 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Crosby Steam Gage & Valve Co.

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