![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Bernard Stephenson | |||||
| Number | Date | Patentee | Title | Type | |
| GB-256,811 | Aug. 19, 1926 | B. Stephenson | Improvements relating to feed water heaters | stationary boilers | |
| GB-273,113 | Jun. 30, 1927 | B. Stephenson | Improvements relating to calorifiers | stationary boilers | |