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John L. Mason

Patents indexed

1

Year range

1858

mechanicalmaterials

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1

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1 patents, in 1858

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18581859

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US 22186·1858

John Mason's 1858 Patent for the Mason Jar Lid

An 1858 invention by John L. Mason that introduced a threaded glass jar and a screw-on metal lid to create an airtight seal for home food preservation.

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