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 = '65') AND (category.subclass = '68') ORDER BY category DESC, date, patent, type |
Total of 3 patents found where: Class is '65'; Subclass is '68';
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 |
Threads | ||||||
U | 807,459 | December 19, 1905 | Process of Forming Glass Articles Threading process using fusible metal to form threads in glass before it melts |
HARLOE, Morton |
Threads | 1/3 to Harry P. Decker |
Press | ||||||
U | 113,393 | April 4, 1871 | Improvement in the Mode of Making Telegraph Insulators Press for making insulators leaving plunger in insulator |
BROOKFIELD, William |
Press | |
R | 9,392 | September 28, 1880 | Mode of Forming Insulators Press for forming insulator and threaded pinhole (reissue of 103,555) |
BROOKFIELD, James M. |
Press |
Total of 0.00 seconds