SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (category = 'Testing') ORDER BY last_name ASC, first_name, date, patent, type |
Total of 2 patents found where: Category is 'Testing';
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 |
LAPP, Grover W. | ||||||
U | 1,515,864 | November 18, 1924 | Method of Testing Insulators Testing method by extending the flashover distance |
LAPP, Grover W. |
Testing | |
MOTT, Everett V. ROVERE, Lewis H. ROWLAND, Davidge H. | ||||||
U | 1,744,566 | January 21, 1930 | Ground Resistance Test Set Portable instrument to measure electrical ground resistance |
MOTT, Everett V. ROVERE, Lewis H. ROWLAND, Davidge H. |
Testing | Western Union Telegraph Co. |
Total of 0.02 seconds