Visit our newest sister site!
Hundreds of free aircraft flight manuals
Civilian • Historical • Military • Declassified •
TUCoPS :: Phreaking Caller ID :: cidpat05.pdf
US Patent 4,582,956 pg.5/16 - Bell Labs' Patent on Caller ID Between-Ring signaling and cadence
To download the file locally instead of viewing it here (or if you can't view it here but
love your antique browser),
to get the PDF.
TUCoPS is optimized to look best in Firefox® on a widescreen monitor (1440x900 or better).
Site design & layout copyright © 1986-2016 AOH