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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (date >= '1989-00-00' AND date < '1990-00-00') ORDER BY date ASC, patent, type

Total of 2 patents found where: Year is 1989

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1989
U	4,814,551	March 21, 1989	Anticorrosive Insulator Suspension (anticorrosive), cementing metal cap for DC service (Japan)	WATANABE, Akihiro MORI, Shigeo	Suspension	NGK Insulators, Ltd.
U	4,845,318	July 4, 1989	Composite Electrical Insulator and Method of Forming Same Polymer suspension with porcelain core	CLABBURN, Robin LOOMS, John	Polymer	Raychem Limited

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