Resdel Industries, Newport Beach, reported a loss...

Resdel Industries, Newport Beach, reported a loss of $339,000 for the third quarter ended March 31, contrasted with net income of $541,000 for the year-earlier quarter. Sales climbed 70% to $7.8 million from $4.6 million. Net loss for the nine months was $288,000, contrasted with net income of $1.4 million for the comparable period a year ago. Sales increased 46% to $18.4 million from $12.6 million. The 1987 results do not include the operations of San/Bar Corp., acquired by Resdel last September. Resdel Industries is also the parent of Resdel Engineering Corp. and Resdel Electro-Optics Systems Inc.