|6685334||System and method of power management for a solar powered device|
A solar powered light assembly having an integral power management system includes a means for collecting solar energy, and a plurality of energy storage devices. The device also includes a control means for selecting to charge one energy storage device a...
|6505754||Apparatus for automated key retrieval and deposit|
An apparatus for automated key retrieval and deposit includes a housing and a key storage rack assembly positioned within the housing. The automated key retrieval and deposit apparatus also includes a key holder for holding a key to be retrieved positione...