DP

David R. Polak

OE Otis Elevator: 1 patents #99 of 278Top 40%
📍 Glastonbury, CT: #82 of 152 inventorsTop 55%
🗺 Connecticut: #1,713 of 4,387 inventorsTop 40%
Overall (2020): #497,337 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10773929 Sheave for elevator system Jun Ma, Peter Keyo, Brad Guilani, Gopal R. Krishnan, David J. Lanesey +2 more 2020-09-15