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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 (last_name = 'TREHARNE') AND (first_name = 'Frederick G.') ORDER BY specimen ASC, date, patent, type

Total of 2 patents found where: Last Name is 'TREHARNE'; First Name is 'Frederick G.';

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T / S Patent Date Description Patentee Category Assigned To
U 566,045 August 18, 1896 Insulator for Electrical Purposes
Protective shield of metal with non-conducting enameled coating
WHITAKER, Alfred J. P.
TREHARNE, Frederick G.
Protective Shield  
U 580,628 April 13, 1897 Insulator and Insulating Conduit or Tubing for Electrical Purposes
Composition insulator of asbestos and cement
TREHARNE, Frederick G.

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