DR

Delmar R. Riffe

AS American Standard: 1 patents #17 of 60Top 30%
📍 Murrysville, PA: #24 of 68 inventorsTop 40%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #120,662 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4867657 Scroll compressor with axially balanced shaft Peter A. Kotlarek 1989-09-19