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 = '361') AND (category.subclass = '292') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Class is '361'; Subclass is '292';
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 |
1940 | ||||||
U | 2,195,986 | April 2, 1940 | Transmission Line Transposition Transposition block (flat) for short wave radio antenna made of Faradite |
GODDARD, DeWitt Rugg |
Transposition | Radio Corporation of America |
Total of 0.00 seconds