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 = '52') AND (category.subclass = '417') ORDER BY last_name ASC, first_name, date, patent, type |
Total of 1 patents found where: Class is '52'; Subclass is '417';
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 |
BOYD, Robert A. | ||||||
U | 3,012,378 | December 12, 1961 | Light Transmitting Blocks Glass Block |
BOYD, Robert A. |
OI | Owens-Illinois Glass Co. |
Total of 0.00 seconds