Inventor

ZABEL JOHN R

US3 patents

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

MITEL INC

2 patents

US6185297B1Feb 6, 2001

Low power dialer

MITEL INC4 citations53

US5706341AJan 6, 1998

Active digit cancelling parallel dialer

MITEL INC1 citations46

ENGINUITY TECHNOLOGIES GROUP I

1 patent

US6975714B1Dec 13, 2005

Method and apparatus for defeating predictive telemarketing systems by simulating facsimile machines or modems upon answering incoming calls

ENGINUITY TECHNOLOGIES GROUP I1 citations32