Inventor

CASTRO EDWARD F

US3 patents

⚠️ This page may combine multiple inventors who share the name “CASTRO EDWARD F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AUDIOFAX INC

2 patents

US5559611ASep 24, 1996

Facsimile store and forward system with local interface

AUDIOFAX INC155 citations96

US5555100ASep 10, 1996

Facsimile store and forward system with local interface translating DTMF signals into store and forward system commands

AUDIOFAX INC203 citations94

PTEK HOLDINGS INC

1 patent

US6157464ADec 5, 2000

Facsimile store and forward system with local interface

PTEK HOLDINGS INC92 citations92