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

Total of 2 patents found where: Category is 'Pug Mill';

View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.

T / S Patent Date Description Patentee Category Assigned To
U 473,497 April 26, 1892 Pug Mill
Pug mill for extruding clay
Pug Mill  
U 2,297,646 September 29, 1942 Pug Mill
Pug mill design to prevent stresses and strains in the clay as it is extruded
BELLEZZA, Russell G.
SKIPPER, Edward M.
Pug Mill Locke Insulator Corp.

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