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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 = 'CAMPBELL') AND (first_name = 'Van E.') ORDER BY date ASC, patent, type

Total of 2 patents found where: Last Name is 'CAMPBELL'; First Name is 'Van E.';

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T / S Patent Date Description Patentee Category Assigned To
 1939
U 2,155,835 April 25, 1939 Ceramic Insulating Material
Improved ceramic composition using titanium oxide that will fire at typical kiln temperatures		 MCCREERY, George L.
CAMPBELL, Van E.
HIGGINS, Ray
 Ceramic Composition The Ohio Brass Co.
 1942
U 2,283,685 May 19, 1942 High Resistance Conducting Coating for Electric Insulators
RFI coating to prevent radio interference		 MCCREERY, George L.
CAMPBELL, Van E.
 RFI The Ohio Brass Co.

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