DD

Daniel R. Drop

OE Otis Elevator: 2 patents #650 of 1,840Top 40%
📍 Durham, CT: #57 of 108 inventorsTop 55%
🗺 Connecticut: #15,609 of 34,797 inventorsTop 45%
Overall (All Time): #2,214,531 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6397976 Automatic elevator destination call processing CHARLES HALE 2002-06-04
6202799 Processing and registering automatic elevator cell destinations — 2001-03-20