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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 = 'MERSHON') AND (first_name = 'Ralph D.') ORDER BY date ASC, patent, type

Total of 3 patents found where: Last Name is 'MERSHON'; First Name is 'Ralph D.';

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T / S Patent Date Description Patentee Category Assigned To
 1898
U Specimen known 605,256 June 7, 1898 Insulator
CD 288, U-938 & U-945		 MERSHON, Ralph D.
 Insulator  
 1909
U 917,785 April 13, 1909 Insulating Support for High Tension Conductors
Suspension support system		 MERSHON, Ralph D.
 Suspension  
 1915
U 1,164,739 December 21, 1915 Method of Making Insulating Devices
Manufacturing technique to make long bushings with petticoats by stacking them on a fired core and fusing the petticoats to the core		 MERSHON, Ralph D.
 Manufacturing  

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