SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (date >= '1852-00-00' AND date < '1853-00-00') ORDER BY last_name ASC, first_name, date, patent, type |
Total of 2 patents found where: Year is 1852
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
T / S | Patent | Date | Description | Patentee | Category | Assigned To |
HOMAN, Herman H. | ||||||
U | 9,260 | September 14, 1852 | Improvement in Lightning Rods Lightning rod point made of sections of different metal each melting at a lower temperature out to the tip |
HOMAN, Herman H. |
Lightning Rod Point | |
SPRATT, James | ||||||
U | 8,930 | May 4, 1852 | Improvement in Lightning Rods Lightning rod point made of steel coated with various other metals such as copper, tin, etc. |
SPRATT, James |
Lightning Rod Point |
Total of 0.00 seconds