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US Patent: 86,034
Improvement in sash-balance
Patentee:
Treat T. Prosser (exact or similar names) - Chicago, IL

USPTO Classifications:
16/194, 16/217

Tool Categories:

Assignees:
George H. Rozet - Chicago, IL
George W. Gillett - Chicago, IL
Treat T. Prosser - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jan. 19, 1869

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Description:
See the biography of the inventor in the description for patent 15,438.

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