Inventor

MCKENZIE DAVID R

US4 patents

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

UNIV SYDNEY

2 patents

US4309261AJan 5, 1982

Method of and apparatus for reactively sputtering a graded surface coating onto a substrate

UNIV SYDNEY36 citations86

US4128466ADec 5, 1978

Method and apparatus for reactive sputtering

UNIV SYDNEY22 citations77

WELCH ALLYN INC

1 patent

US4901144AFeb 13, 1990

Video endoscope aperture wheel drive system

WELCH ALLYN INC7 citations70

Lifehouse Australia as Trustee for The Lifehouse Australia Trust

1 patent

US12237150B2Feb 25, 2025

Plasma ion processing of substrates

Lifehouse Australia as Trustee for The Lifehouse Australia Trust0 citations42