United States Patent 2617005
Inventors:
Ray, Jorgensen Herman
Publication Date:
11/04/1952
Assignee:
Ray, Jorgensen Herman
Other Classes:
219/510, 219/447.100, 119/28.500, 219/518
International Classes:
H05B3/68
US Patent References:
| 2410014 | Heating apparatus | | | |
| 2427945 | Electric hot plate with vesseltemperature control | | | |