Inventor

BARRETT JOHN D

US3 patents

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

OTIS ELEVATOR CO

2 patents

US5792294AAug 11, 1998

Method of replacing sheave liner

OTIS ELEVATOR CO71 citations93

US5784752AJul 28, 1998

Rope cleaning device

OTIS ELEVATOR CO21 citations90

UNIV BRITISH COLUMBIA

1 patent

US6497937B1Dec 24, 2002

Wood based composite decking panel

UNIV BRITISH COLUMBIA47 citations83