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US Patent: 494,482
Attachment for Steam Indicators
Patentee:
William Houghtaling (exact or similar names) - Bridgeport, Fairfield County, CT

USPTO Classifications:
346/4

Tool Categories:
propulsion and energy : steam apparatus : steam engine indicators

Assignees:
Ashcroft Mfg. Co. - Bridgeport, Fairfield County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 10, 1891
Granted: Mar. 28, 1893

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Ashcroft Mfg. Co.

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