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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 = 'STROUP') AND (first_name = 'Charles L.') ORDER BY date ASC, patent, type

Total of 5 patents found where: Last Name is 'STROUP'; First Name is 'Charles L.';

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T / S Patent Date Description Patentee Category Assigned To
 1931
U 1,815,598 July 21, 1931 Insulating Member for High Tension Construction
Wooden shaft with metal fittings to insulate guy wires on high voltage transmission poles		 STROUP, Charles L.
 Wood  
 1932
U Specimen known 1,869,397 August 2, 1932 Insulator
Insulator with spiral or helical grooves to all rain to wash the surface better		 STROUP, Charles L.
 Spiral  
 1934
U Specimen known 1,952,517 March 27, 1934 Insulator
Post type insulator with metal brackets bolted on with U-bolt to stack insulators or attach equipment		 STINSON, William L.
STROUP, Charles L.
 Post Type Jeffery-Dewitt Insulator Co.
 1935
U 2,008,341 July 16, 1935 High Tension Insulator
Suspension disk with additional cement in pinhole with asphalt coating		 STROUP, Charles L.
 Suspension Jeffery-Dewitt Insulator Co.
U 2,008,342 July 16, 1935 Insulator
Suspension disk with metal spider cap over crown cemented in porcelain		 STROUP, Charles L.
 Suspension Jeffery-Dewitt Insulator Co.

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