SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '403') AND (category.subclass = '226') ORDER BY last_name ASC, first_name, date, patent, type |
Total of 1 patents found where: Class is '403'; Subclass is '226';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
WECKERLE, Ferdinand | ||||||
U | 1,742,625 | January 7, 1930 | Process of Uniting by Sealing the Insulating Parts of High Tension Insulators Cement of rubber used to cement multipart insulator |
WECKERLE, Ferdinand |
Cement | Studiengesellschaft Fuer Wirtschaft U. Industrie, M. B. H. |
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