DR

Douglas S. Rubel

HL Hoover Limited: 2 patents #117 of 240Top 50%
📍 Columbus, OH: #1,440 of 3,880 inventorsTop 40%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,160,371 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D548906 Grout cleaning tool Lynn A. Frederick, Thomas G. Diamond, Jeffery A. Morgan, Jeffrey T. DeBord, Jay F. Perkins 2007-08-14
D520693 Tool caddy Lynn A. Frederick, Kevin E. Scheifele, Jeffrey T. DeBord, Jay F. Perkins, Oren Shai +1 more 2006-05-09