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 = '142') AND (category.subclass = '45') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '142'; Subclass is '45';
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 |
1883 | ||||||
U | 278,618 | May 29, 1883 | Machine for Making Brackets for Telegraph Insulators Machine to turn wooden insulator pin brackets |
SMITH, John B. |
Pin | Charles N. Freeman & David W. O'Neil |
1884 | ||||||
U | 298,543 | May 13, 1884 | Machine for Turning Insulator Pins Machine to turn wooden insulator pins |
BALDWIN, Joseph A. |
Pin |
Total of 0.00 seconds