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US Patent: 126,042
Improvement in composition-stone frames for hot-air registers
Patentees:
John F. Wood (exact or similar names) - Everett, MA
Josiah S. Elliott (exact or similar names) - Chelsea, MA

USPTO Classifications:
428/15

Tool Categories:

Assignees:
None

Manufacturer:
Union Stone Co. - Boston, MA

Witnesses:
John F. Brennan
William W. Swan

Patent Dates:
Granted: Apr. 23, 1872

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Union Stone Co.

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