Inventor

KELSON KEITH S

US3 patents

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

EVERCOM SYSTEMS INC

2 patents

US6836540B2Dec 28, 2004

Systems and methods for offering a service to a party associated with a blocked call

EVERCOM SYSTEMS INC85 citations95

US7698182B2Apr 13, 2010

Optimizing profitability in business transactions

EVERCOM SYSTEMS INC53 citations90

KELSON KEITH S

1 patent

US8068590B1Nov 29, 2011

Optimizing profitability in business transactions

KELSON KEITH S7 citations76