Inventor

GRAHAM MARTIN

US5 patents

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

ROLM CORP

2 patents

US4475235AOct 2, 1984

Signature verification sensor

ROLM CORP87 citations93

US4459558AJul 10, 1984

Phase locked loop having infinite gain at zero phase error

ROLM CORP4 citations60

ION SYSTEMS

2 patents

US6791815B1Sep 14, 2004

Dynamic air ionizer and method

ION SYSTEMS20 citations89

US6798637B1Sep 28, 2004

Dynamic air ionizer and method

ION SYSTEMS6 citations70

(unassigned)

1 patent

US5502652AMar 26, 1996

Method and apparatus for measuring heat transfer in small diameter pipes using acoustic signals

43 citations80