DN

Dat Nguyen

OE Otis Elevator: 2 patents #19 of 115Top 20%
📍 Wilmington, MA: #1 of 14 inventorsTop 8%
🗺 Massachusetts: #299 of 3,963 inventorsTop 8%
Overall (1994): #35,855 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D348757 Escalator handrail entry housing James A. Rivera, Dale R. Barrett, Gerald E. Johnson 1994-07-12
5307918 Escalator combplate stop switch assembly James A. Rivera 1994-05-03