Constant temperature oven
United States Patent 2556865
US Patent References:
Temperature regulating apparatus for signaling devices
- - 1873838
Piezo-electric device
- - 2131826
Piezoelectric apparatus
- - 2157703
Piezoelectric device
- - 2203545
Piezocrystal device
- - 2273711
Temperature regulating apparatus for signaling devices
- - 1873838
Piezo-electric device
- - 2131826
Piezoelectric apparatus
- - 2157703
Piezoelectric device
- - 2203545
Piezocrystal device
- - 2273711
Inventors:
Baldwin, Charles F.
Publication Date:
06/12/1951
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Export Citation:
Assignee:
GEN ELECTRIC
Primary Class:
Other Classes:
310/352
International Classes:
H03H9/08; H03H9/05