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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Threads') ORDER BY date ASC, patent, type

Total of 2 patents found where: Category is 'Threads';

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T / S Patent Date Description Patentee Category Assigned To
U 196,733 October 30, 1877 Improvement in Forming Female Screw Threads in Glass Jars, Insulators, & c.
Method of forming female threads inside the neck of jars and insulators
WOODWARD, Theodore F.
U 807,459 December 19, 1905 Process of Forming Glass Articles
Threading process using fusible metal to form threads in glass before it melts
HARLOE, Morton
Threads 1/3 to Harry P. Decker

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