SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '429') AND (category.subclass = '178') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Class is '429'; Subclass is '178';
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 |
1914 | ||||||
U | 1,106,095 | August 4, 1914 | Electrical Battery Battery insulators with oil inside |
HUBBARD, Albert S. |
Battery | Gould Storage Battery Co. |
Total of 0.01 seconds