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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 = 'VROOMAN') AND (first_name = 'Edward C.') ORDER BY date ASC, patent, type

Total of 3 patents found where: Last Name is 'VROOMAN'; First Name is 'Edward C.';

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T / S Patent Date Description Patentee Category Assigned To
 1934
U 1,976,378 October 9, 1934 Aviation Marker
Aviation warning light attached to a suspension insulator		 VROOMAN, Edward C.
 Misc Locke Insulator Corp.
 1935
U 2,003,225 May 28, 1935 Guy Insulating and Grading Means
Guy strain insulator for radio antenna guy wires		 VROOMAN, Edward C.
 Antenna Locke Insulator Corp.
 1936
U 2,056,813 October 6, 1936 Flux Distributing Insulator
Radio antenna strain insulator with metal ribs on the outside to control the electrostatic flux density		 VROOMAN, Edward C.
 Strain Locke Insulator Corp.

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