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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 = 'ROSENFELD') AND (first_name = 'Mortimer C.') ORDER BY date ASC, patent, type

Total of 2 patents found where: Last Name is 'ROSENFELD'; First Name is 'Mortimer C.';

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T / S Patent Date Description Patentee Category Assigned To
 1916
U 1,174,287 March 7, 1916 Insulator Support
Pin - hollow metal & bolted to crossarm for CD 257
ROSENFELD, Mortimer C.
Insulator  
 1918
U 1,258,816 March 12, 1918 Insulator Pin
Steel pin with conical support base that fits in grooved steel base that fits over the top of the crossarm
ROSENFELD, Mortimer C.
Pin  

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