SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (last_name = 'DEWEY') AND (first_name = 'Benjamin F.') ORDER BY date ASC, patent, type |
Total of 4 patents found where: Last Name is 'DEWEY'; First Name is 'Benjamin F.';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1943 | ||||||
U | 2,327,972 | August 24, 1943 | High Strength Ceramic Surface Manufacturing method of using porcelain ""sand"" with a lower coefficient of expansion than the insulator body to rough up the surface and provide a strong cement joint without reducing the effectiveness of the compression glaze (see 2,337,691) |
STETTINIUS, Kenneth E. DEWEY, Benjamin F. |
Manufacturing | Lapp Insulator Co., Inc. |
U | 2,337,691 | December 28, 1943 | Method of Making High Strength Ceramic Surfaces Method of manufacturing insulators using porcelain ""sand"" with a lower coefficient of expansion than the insulator body to rough up the surface and provide a strong cement joint without reducing the effectiveness of the compression glaze (see 2,327,972) |
STETTINIUS, Kenneth E. DEWEY, Benjamin F. |
Manufacturing | Lapp Insulator Co., Inc. |
1949 | ||||||
U | 2,481,729 | September 13, 1949 | Porcelain Insulator Body Porcelain clay body with an increased firing range |
DEWEY, Benjamin F. |
Porcelain | Lapp Insulator Co., Inc. |
1971 | ||||||
U | 3,582,538 | June 1, 1971 | Prestressed Insulator Prestressing post type insulators by making porcelain in compression in order to increase cantilever load |
KILLIAN, Stanley C. DEWEY, Benjamin F. |
Post Type | Interpace Corp. |
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