ES

Elmer J. Simpson

EE Elevator Equipment: 2 patents #1 of 4Top 25%
📍 Coral Springs, FL: #1 of 24 inventorsTop 5%
🗺 Florida: #26 of 1,167 inventorsTop 3%
Overall (1982): #5,211 of 81,411Top 7%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4363380 Elevator and method of lifting Glen A. Rued 1982-12-14
4345507 Elevator fluid flow control valve Glen A. Rued 1982-08-24
4311212 Valve control system 1982-01-19