Search the Insulator Patent Reference Library

Search the Insulator Patent Reference Library:

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 = 'HARRIS') AND (first_name = 'John R.') ORDER BY date ASC, patent, type

Total of 3 patents found where: Last Name is 'HARRIS'; First Name is 'John R.';

View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.

T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1912
U	1,042,372	October 22, 1912	Split Insulator Knob	HARRIS, John R.	Knob
		1913
U	1,079,239	November 18, 1913	Insulator Knob with tube of metal surrounding the nail to aid in keeping parts together.	HARRIS, John R.	Knob
		1919
U	1,302,158	April 29, 1919	Insulator Knob	HARRIS, John R.	Knob

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