SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (category = 'Signal') ORDER BY last_name DESC, first_name, date, patent, type |
Total of 1 patents found where: Category is 'Signal';
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 |
LOCKE, Louis P. | ||||||
U | 1,003,143 | September 12, 1911 | Electric Signaling Apparatus Improved signaling of railways |
LOCKE, Louis P. |
Signal |
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