DB

David J. Bivens

BW Bivens Winchester: 4 patents #2 of 6Top 35%
📍 Danville, VA: #11 of 96 inventorsTop 15%
🗺 Virginia: #6,192 of 34,511 inventorsTop 20%
Overall (All Time): #1,063,278 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4858257 Body brush and shower stall system 1989-08-22
4611359 Top brush construction with inflatable center section 1986-09-16
4593425 Multiple brush carwasher 1986-06-10
4547922 Top brush construction with inflatable center section 1985-10-22
4470167 Multiple brush carwasher 1984-09-11