Inventor
SWAYBILL BRUCE
US4 patents
Patents
4 patentsUS6446763B1Sep 10, 2002
Integrated elevator installation hoist tool
OTIS ELEVATOR CO20 citations88
US6672013B1Jan 6, 2004
Method of installing elevator rails
OTIS ELEVATOR CO27 citations87
US7670240B2Mar 2, 2010
Elevator belt assembly with noise reducing groove arrangement
OTIS ELEVATOR CO12 citations80
US11524873B2Dec 13, 2022
Ropeless elevator wheel force releasing system
OTIS ELEVATOR CO0 citations50