| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Arthur J. Firth | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 644,798 | Mar. 06, 1900 | A.J. Firth | Internal Combustion Engine | |
 | 683,459 | Oct. 01, 1901 | A.J. Firth | Valve Gear for Diesel Motor | |
| 2,885,901 | May 12, 1959 | A.J. Firth | Machine Tool Feed Mechanism | ||