| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Arthur S. Johnson | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,887,065 | May 19, 1959 | A.S. Johnson | Gear Pump Unit | rotary pumps | |
| 3,130,680 | Apr. 28, 1964 | A.S. Johnson | Gerotor Type Pump | ||