Inventor · disambiguated record
John D. Mcfarlen
Also filed as: MCFARLEN JOHN D
3 granted patents·427 citations·filing 1995–1999
80Inventor score
Technology areasH04M
Top patents by PatentIndex Score
3 records- 0184US5805685AThree way call detection by counting signal characteristicsGATEWAY TECHNOLOGY·Filed 1995·Granted Sep 8, 1998·148 cites·11 claims
- 0282US6665380B1Inmate messaging system and methodT NETIX INC·Filed 1999·Granted Dec 16, 2003·157 cites·22 claims
- 0382US5796811AThree way call detectionGATEWAY TECHNOLOGY·Filed 1996·Granted Aug 18, 1998·122 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when John D. Mcfarlen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →