|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 = 'WALCH') AND (first_name = 'Gustav Theodor') ORDER BY specimen ASC, date, patent, type|
Total of 1 patents found where: Last Name is 'WALCH'; First Name is 'Gustav Theodor';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||508,068||November 7, 1893||Lightning Conductor
Strong, durable lightning rod easily attached to a building with conductor passing through the hollow casing (also patented in England, Switzerland, Belgium, Italy, Spain, France)
|WALCH, Gustav Theodor
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