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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 DESC, first_name, date, patent, type

Total of 2 patents found where: Category is 'Testing';

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T / S Patent Date Description Patentee Category Assigned To
 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.
 LAPP, Grover W.
U 1,515,864 November 18, 1924 Method of Testing Insulators
Testing method by extending the flashover distance
LAPP, Grover W.

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