|SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Coating') ORDER BY date ASC, patent, type|
Total of 3 patents found where: Category is 'Coating';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||61,390||January 22, 1867||Improved Compound for Telegraph Insulators, and for Other Purposes
Heating earthenware insulators to 400-500 degrees and dipping into asphaltic compound that has been mixed with sulfur, silicic acid, and silicate of alumina to provide a hard, weather-resistant coating
|BOYNTON, John F.
|U||124,201||March 5, 1872||Improvement in Compounds for Insulating Telegraph Wires, etc.
Coating mixture for his patented insulators
|FARMER, Moses G.
|U||437,685||October 7, 1890||Insulator
Coating on exterior of insulator to color code line
|GAYNOR, Thomas F.
||Coating||The Gaynor Electric Co.|
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