Inventor

WITCZAK PAWEL

PL3 patents

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

PIECH ZBIGNIEW

1 patent

US8631907B2Jan 21, 2014

Elevator machine frame

PIECH ZBIGNIEW7 citations79

OTIS ELEVATOR CO

1 patent

US9457994B2Oct 4, 2016

Method of assembling an elevator machine frame

OTIS ELEVATOR CO1 citations48

HAN HAKKI

1 patent

US8776953B2Jul 15, 2014

Magnetic elevator door coupler

HAN HAKKI0 citations39