JB

John A. Balch

RM Royal Appliance Mfg.: 2 patents #54 of 121Top 45%
📍 Bay Village, OH: #118 of 252 inventorsTop 50%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,320,415 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D322338 Vacuum cleaner John F. Sovis, Craig M. Saunders, Paul D. Stephens, Michael F. Wright, Jenny L. Baker 1991-12-10
4547206 Vacuum cleaner John F. Sovis 1985-10-15