JF

James L. Franklin

SR Sigma Research: 1 patents #1 of 1Top 100%
📍 Kent, WA: #10 of 40 inventorsTop 25%
🗺 Washington: #241 of 1,406 inventorsTop 20%
Overall (1989): #100,784 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4798056 Direct expansion solar collector-heat pump system — 1989-01-17