DR

Donald L. Ray

EM Emhart: 2 patents #8 of 90Top 9%
📍 McCordsville, IN: #1 of 2 inventorsTop 50%
🗺 Indiana: #103 of 1,469 inventorsTop 8%
Overall (1989): #28,787 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4868354 Slide switch with light guide Ellis P. Lipp 1989-09-19
4855543 Manually operated electromechanical switch Gregg Speer 1989-08-08