Inventor

BUTLAND ROGER JOHN

NZ4 patents

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

DELTEC NEW ZEALAND

1 patent

US5801600ASep 1, 1998

Variable differential phase shifter providing phase variation of two output signals relative to one input signal

DELTEC NEW ZEALAND89 citations92

DELTEC TELESYSTEMS INTERNAT LT

1 patent

US6317010B1Nov 13, 2001

Thermostable circulator with the magnetic characteristics of the ferrite and magnet correlated

DELTEC TELESYSTEMS INTERNAT LT16 citations87

DELTEC TELESYSTEMS INTERNATION

1 patent

US6107895AAug 22, 2000

Circulator and components thereof

DELTEC TELESYSTEMS INTERNATION15 citations73

(unassigned)

1 patent

US5691735ANov 25, 1997

Dipole antenna having coupling tabs

15 citations71