DK

David A. Kropp

RD Rug Doctor: 3 patents #21 of 36Top 60%
📍 Plano, TX: #1,861 of 4,842 inventorsTop 40%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,522,965 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9189812 Kiosk and method for renting carpet cleaning machines Timothy J. Wall 2015-11-17
9135767 Carpet cleaning machine rental kiosk Timothy J. Wall, Michael Shin 2015-09-15
8483871 Carpet cleaning machine rental kiosk Timothy J. Wall, Michael Shin 2013-07-09