with built-in mains transformer

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Patents Grantslast 30 patents

Information Patent Grant
Electric cigarette lighter
- Patent number 4,356,380
- Issue date Oct 26, 1982
- Charles T. Kao
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
3792959
- Patent number 3,792,959
- Issue date Feb 19, 1974
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
3617697
- Patent number 3,617,697
- Issue date Nov 2, 1971
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
3471679
- Patent number 3,471,679
- Issue date Oct 7, 1969
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
2948800
- Patent number 2,948,800
- Issue date Aug 9, 1960
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
2932716
- Patent number 2,932,716
- Issue date Apr 12, 1960
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
2512250
- Patent number 2,512,250
- Issue date Jun 20, 1950
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
1998598
- Patent number 1,998,598
- Issue date Apr 23, 1935
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
904467
- Patent number 904,467
- Issue date Nov 17, 1908
- B60 - VEHICLES IN GENERAL