Battery charging jobsite lunchbox

Details Battery charging jobsite lunchbox Battery charging jobsite lunchbox

2006-07-18

2010-11-16

Faulk, Devona E. (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having protective or sheilding feature

C381S334000, C320S107000, C320S112000, C320S113000, C219S717000

Reexamination Certificate

active

07835534

ABSTRACT:
A preferred embodiment of portable lunchbox equipment that is particularly useful at construction and other jobsites is disclosed which provides important desirable features and functionality comprising a housing, at least one charger for charging a removable battery pack, an audio unit for producing an audio signal, a heating unit, an insulated compartment, a cooling unit for the compartment, a cord and plug for connecting said apparatus to a source of AC power, and circuitry for selectively applying power to the audio unit, the charger and the heating unit.

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