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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Glass Marble') ORDER BY specimen DESC, date, patent, type

Total of 2 patents found where: Category is 'Glass Marble';

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T / S Patent Date Description Patentee Category Assigned To
 1958
U 2,830,648 April 15, 1958 Process and Apparatus for Producing a Glass Fiber Mat
Glass marbles are used to feed the machine to produce a glass fiber mat.
HADDOCX, Edward J.
Glass Marble L. O. F. Glass Fibers Co.
 1973
U 3,779,730 December 18, 1973 Control for Glass Marble, Feeding, Melting, and Fiber Forming Unit
Machine for feeding, melting, and making fibers from glass marbles.
RAMGE, Dennis Lee
Glass Marble Johns-Manville Corp.

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