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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 = 'BETTMANN') AND (first_name = 'Charles Frederick') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'BETTMANN'; First Name is 'Charles Frederick';

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T / S Patent Date Description Patentee Category Assigned To
U 770,999 September 27, 1904 Wire Support
Metal support shaped such that the conductor is pinched in the V-groove. The metal support fits inside a tubular insulator made of glass, porcelain or rubber that fits in a hole drilled in the crossarm.
BETTMANN, Charles Frederick
ZAPP, John
Wire Support  

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