Electric resistance heating devices – Heating devices – Concentrated heated air stream
Reexamination Certificate
2005-05-31
2005-05-31
Jeffery, John A. (Department: 3742)
Electric resistance heating devices
Heating devices
Concentrated heated air stream
C392S384000, C034S097000, C219S480000
Reexamination Certificate
active
06901214
ABSTRACT:
A portable dryer includes a housing, a motor installed with a fan inside the housing, a power unit for supplying electric power to the portable dryer, a switch electrically connected to the power unit, and a plurality heating filaments electrically connected to the power unit for generating heat. Power of the motor is related to power of the heating filaments.
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patent: 1573944 (1926-02-01), Jancke
patent: 1607195 (1926-11-01), Gross
patent: 2647198 (1953-07-01), Lautner
patent: 2786173 (1957-03-01), Martin et al.
patent: 5195253 (1993-03-01), Poumey et al.
patent: 5825974 (1998-10-01), Hutton et al.
patent: 6327428 (2001-12-01), Lo et al.
patent: 2117194 (1983-10-01), None
Hsu Winston
Jeffery John A.
Tek Maker Corporation
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