| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 451/77 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 3,868,790 | Mar. 04, 1975 | R.A. Fricke | Spark plug cleaner | vehicle mechanic | |
| 4,084,357 | Apr. 18, 1978 | R.W. Moses | Valve cleaning machine | sand blasters | |