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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 = 'LEWIS') AND (first_name = 'Joseph Slater') ORDER BY specimen DESC, date, patent, type

Total of 3 patents found where: Last Name is 'LEWIS'; First Name is 'Joseph Slater';

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T / S Patent Date Description Patentee Category Assigned To
 1883
U Specimen known 276,839 May 1, 1883 Insulator for Telegraph Wires
CD 110.5 & CD 110.6 spiral groove crown & clamp for line wire
LEWIS, Joseph Slater
Insulator  
 1884
U 298,593 May 13, 1884 Insulator
Washer around pin in pinhole
LEWIS, Joseph Slater
Washer 1/2 to William P. Thompson
U 298,594 May 13, 1884 Terminal Insulator
Spool (skirted) with bracket to act as terminal wire support
LEWIS, Joseph Slater
Spool 1/2 to William P. Thompson

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