Inventor

LESLEIN JOHN M

US4 patents

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

MUMFORD GREGORY L

3 patents

US8175235B2May 8, 2012

Lease model for avoiding permanent card locking

MUMFORD GREGORY L65 citations92

US8543084B2Sep 24, 2013

Systems and methods for providing multiple simultaneous calls from the same prepaid account

MUMFORD GREGORY L0 citations46

US8064579B2Nov 22, 2011

Prepaid services accounts with multi-user customers and individualized quotas

MUMFORD GREGORY L1 citations46

VERIZON PATENT & LICENSING INC

1 patent

US7957720B2Jun 7, 2011

Systems and methods for providing multiple simultaneous calls from the same prepaid account

VERIZON PATENT & LICENSING INC4 citations58