SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (date >= '1850-00-00' AND date < '1851-00-00') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Year is 1850
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 |
1850 | ||||||
U | 7,008 | January 8, 1850 | Improvement in Alloys for Points of Lightning Rods Alloy composed of tin, antimony, bismuth, silver, platinum, and silex |
SPRATT, James |
Lightning Rod Point | |
U | 7,076 | February 5, 1850 | Lightning Rod Insulator Lightning rod insulator (attachment for conductors) |
SPRATT, James |
Lightning Rod Insulator |
Total of 0.00 seconds