United States Patent 3320396
Publication Date:
05/16/1967
Assignee:
TECHNOLOGY INSTR CORP
Other Classes:
219/738, 219/748, 219/715, 331/88
International Classes:
F24C7/02; F24C7/08; H05B6/80
US Patent References:
| 3196243 | High frequency heating system | | | |