Inventor

HOWARD GRAHAM

3 patents

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

SIEMENS INF & COMM NETWORKS

1 patent

US5903626AMay 11, 1999

Diagnostic device for troubleshooting remote digital feature phones

SIEMENS INF & COMM NETWORKS54 citations94

PLESSEY CO LTD

1 patent

US4300230ANov 10, 1981

Digital switching arrangements for stored program control telecommunications systems

PLESSEY CO LTD23 citations76

SIEMENS AG

1 patent

US6292548B1Sep 18, 2001

Method and apparatus for selecting data from multiple sources for a telephone display

SIEMENS AG11 citations65