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NX Patent: NX-5,489
Glass formed by a combination of moulds
Patentee:
Harvey W. Campbell - Lockport, NY

USPTO Classifications:

Tool Categories:
trade specific : glassmaker

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Jun. 11, 1829

Patent Pictures:
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X-Patents
Description:
NX series patents are X-patents that do not have numbers. They have been arbitrarily assigned NX numbers to allow them to be entered into the Datamp file. We do not know whether they were actual patents as all that we have are the listings. They are entered here for reference and further research only.

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