1997
U.S.A FCC Class B certified
No.D732101
W.Dog System Rescue Card
1997
Japan Patent
1999
European CE Class B Certified
No. C911908
W.Dog System Rescue Card
2000
WatchDog I U.S.A Patent
2001
WatchDog ⅡU.S.A Patent
2002
Taiwan Patent
Methos for backing up the system files in a hard disk
drive
2003
China Patent
W.Dog Instant Recovery Card
2004
European Patent
Countries: UK, France, Germany
Memory management method for configuring a computer data
storage medium to include a virtual disk drive
