Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
All Patents in class 165/DIG.314 | |||||
Number | Date | Patentee | Title | Type | |
100,241 | Feb. 22, 1870 | B.F. Sturtevant | Air Heater and Steam Condenser | ||
100,242 | Feb. 22, 1870 | B.F. Sturtevant | Air Heater and Steam Condenser |