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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 = 'SMITH') AND (first_name = 'Donald H.') ORDER BY date ASC, patent, type

Total of 3 patents found where: Last Name is 'SMITH'; First Name is 'Donald H.';

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T / S Patent Date Description Patentee Category Assigned To
 1937
U Specimen known 2,099,540 November 16, 1937 Insulator Shield
Metal skirt on CD 154		 SMITH, Donald H.
 Insulator Western Union Telegraph Co.
 1940
U Specimen known 2,218,497 October 15, 1940 Electrical Insulator
Rubber pin type insulator (see 2,304,483)		 SMITH, Donald H.
WHEELER, Herbert H.
 Rubber Western Union Telegraph Co.
 1942
U Specimen known 2,304,483 December 8, 1942 Electrical Insulator
Rubber pin type insulator		 SMITH, Donald H.
WHEELER, Herbert H.
 Rubber Western Union Telegraph Co.

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