SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '29') AND (category.subclass = '728') ORDER BY last_name ASC, first_name, date, patent, type |
Total of 5 patents found where: Class is '29'; Subclass is '728';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
KNAPP, George S. | ||||||
U | 119,987 | October 17, 1871 | Improvement in Machines for Making Lightning Rods Machine for making lightning rods (see 113,154) by wrapping wires around a central core, covering with a sheath of sheet copper, and coiling up the rod as it is produced |
KNAPP, George S. |
Lightning Rod Machine | |
MUNN, William B. | ||||||
U | 161,541 | March 30, 1875 | Improvement in Machines for Making Lightning Rods Machine for making lightning rods (see reissue 8,696) |
MUNN, William B. |
Lightning Rod Machine | |
R | 8,696 | May 6, 1879 | Improvement in Machines for Making Lightning Rods Machine for making lightning rods (see 161,541) |
MUNN, William B. |
Lightning Rod Machine | |
PATEE, Theodorus H. | ||||||
U | 297,291 | April 22, 1884 | Portable Lightning Rod Machine Portable machine to make lightning rods |
PATEE, Theodorus H. |
Lightning Rod Machine | |
SCHOONMAKER, John C. | ||||||
U | 156,713 | November 10, 1874 | Improvement in Machines for Making Tubular Lightning Rods Machine for making lightning rods by make metal tubes from sheet metal and wrapping the tubes around a central core |
SCHOONMAKER, John C. |
Lightning Rod Machine |
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