Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
All Patents in class 165/DIG.183 | |||||
Number | Date | Patentee | Title | Type | |
552,095 | Dec. 31, 1895 | J.T. Dickson, E. Bretney | Gas-generator | ||
560,081 | May 12, 1896 | E. Bretney | Device for generating ammonia-gas |