James J. Kopco

RM Royal Appliance Mfg.: 1 patents #1 of 2Top 50%

📍 Mentor-on-the-Lake, OH: #2 of 3 inventorsTop 70%

🗺 Ohio: #715 of 3,574 inventorsTop 25%

Overall (1989): #100,204 of 140,708Top 75%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4800614	Adaptor and bag insert	John F. Sovis	1989-01-31