DB

David J. Boll

RM Royal Appliance Mfg.: 1 patents #20 of 24Top 85%
📍 Cleveland, OH: #19 of 73 inventorsTop 30%
🗺 Ohio: #1,610 of 5,754 inventorsTop 30%
Overall (2002): #236,908 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6347428 Hand-held wet/dry vacuum David Shimko, Jeffrey M. Kalman, Michael F. Wright 2002-02-19