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 = '52') AND (category.subclass = '309.13') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Class is '52'; Subclass is '309.13';
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 |
1960 | ||||||
U | 2,941,393 | June 21, 1960 | Banded Hollow Glass Structural Unit Glass block for skylights etc. |
MCDAVITT, Murray VINCENT, Harvard B. |
OI | Owens-Illinois Glass Co. |
Total of 0.00 seconds