77139623
Mar 24, 2007
Apr 15, 2008
Portable hand-held electronic devices for (a) identifying celestial objects, (b) identifying geographical sites, (c) remotely positioning telescopes, spotting scopes, cameras, binoculars, and night vision electronic devices, and (d) recording, downloading, organizing, transmitting, manipulating, and reviewing text, data, audio and video files
Electrical and Scientific Apparatus