EF

Eustace B. Franklin

📍 Hawthorne, CA: #3 of 13 inventorsTop 25%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #115,987 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4839749 Recorded voice warning system for providing safety alerts and personal messages — 1989-06-13