Inventor

KELTER LEONARD S

US4 patents

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

AT & T CORP

3 patents

US6954455B1Oct 11, 2005

Technique for providing intelligent features for calls in a communications network independent of network architecture

AT & T CORP30 citations89

US6941312B1Sep 6, 2005

Simultaneous multiple-method (SMm) compression

AT & T CORP26 citations89

US7616623B1Nov 10, 2009

Technique for providing intelligent features for calls in a communications network independent of network architecture

AT & T CORP2 citations59

AT & T IP II LP

1 patent

US8018920B1Sep 13, 2011

Technique for providing intelligent features for calls in a communications network independent of network architecture

AT & T IP II LP2 citations59