Ronald H. Rosenfield

📍 Del Mar, CA: #6 of 37 inventorsTop 20%

🗺 California: #2,144 of 10,592 inventorsTop 25%

Overall (1989): #61,364 of 140,708Top 45%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4889044	Fruit juice extractor/straw	—	1989-12-26