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Patrick J. Macdonald

OE Otis Elevator: 1 patents #100 of 260Top 40%
🗺 Washington: #5,479 of 14,738 inventorsTop 40%
Overall (2019): #318,751 of 560,194Top 60%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10202256 Interfacing destination entry system with building security using switches Greg Barnes 2019-02-12