Charles W. Luckhardt

OE Otis Elevator: 1 patents #966 of 1,840Top 55%

📍 Meriden, CT: #168 of 277 inventorsTop 65%

🗺 Connecticut: #21,355 of 34,797 inventorsTop 65%

Overall (All Time): #3,877,540 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D317138	Hall location direction panel for elevators	Steven B. Davis, William A. Weirsman	1991-05-28