CW

Chet Willoughby

TE Thyssenkrupp Elevator: 1 patents #65 of 136Top 50%
Overall (All Time): #3,039,578 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8960372 Elevator car door interlock Ernest Heath, Anthony Frank Hamlett, Sang Mu Choi, Brian Chapman, Sang-Hyuk Lee +2 more 2015-02-24