Darrell Hertel — 1 Patent in 2019

TEThyssenkrupp Elevator: 1 patents #17 of 36Top 50%

Neckartenzlingen, DE: #6 of 24 inventorsTop 25%

Overall (2019): #496,829 of 560,194Top 90%

1 Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10427912	Elevator system	Bernd Altenburger, Holger Zerelles	2019-10-01