FS

Frank Stephan

RD Rug Doctor: 3 patents #2 of 9Top 25%
RD Rug Doctor: 2 patents #28 of 36Top 80%
📍 Fenton, MO: #41 of 221 inventorsTop 20%
🗺 Missouri: #4,278 of 23,789 inventorsTop 20%
Overall (All Time): #1,035,074 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7048805 Dual mode carpet cleaning method Roger Kent, Schubert Pereira 2006-05-23
6789290 Dual mode carpet cleaning device Roger Kent, Schubert Pereira 2004-09-14
6568024 Cleaning tool Roger Kent, Rodney D. Maddox, William B. Kennedy 2003-05-27
6418587 Cleaning tool Roger Kent, Rodney D. Maddox, William B. Kennedy 2002-07-16
6216313 Handle with integral cord wrap Walter W. Leach, II, Rodney D. Maddox 2001-04-17