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 = 'FOOT') AND (first_name = 'David A.') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Last Name is 'FOOT'; First Name is 'David A.';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1869 | ||||||
U | 93,609 | August 10, 1869 | Improvement in Lightning Rods Method of making star shaped lightning rods with silver plated points |
FOOT, David A. CHADWICK, Avery |
Lightning Rod | |
1871 | ||||||
U | 113,154 | March 28, 1871 | Improvement in Lightning Rods Lightning rod made of hollow copper star rod with iron wire filling the inside and annealed wire in the star points |
FOOT, David A. KNAPP, George S. |
Lightning Rod |
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