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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 = 'VON CRON') AND (first_name = 'Hans') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'VON CRON'; First Name is 'Hans';

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T / S Patent Date Description Patentee Category Assigned To
 1957
U 2,776,332 January 1, 1957 Self-Cleaning Outdoor High Tension Insulators
Spiral or helical side petticoats that are washed by rain		 VON CRON, Hans
 Spiral Siemens-Schuckertwerke Aktiengesellschaft

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