| SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '244') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '244';
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 |
| 1882 | ||||||
| U | 258,005 | May 16, 1882 | Balloon Support for Telegraph Wires, &c. Gas balloon as a substitute for poles to support telegraph wires, light towers, and flags |
BEESON, William |
Balloon | |
| 1944 | ||||||
| U | 2,345,404 | March 28, 1944 | Reinforced Insulator Pin Steel pin with sheet metal reinforcing down to crossarm to provide bracing against horizontal strain |
MACK, Edward A. |
Pin | Oliver Iron & Steel Corp. |
Total of 0.00 seconds