DS

Dennis D. Simpson

TI Tricam Industries: 28 patents #3 of 20Top 15%
SS Sorin Group Italia S.R.L.: 2 patents #40 of 76Top 55%
📍 Plymouth, MN: #79 of 1,545 inventorsTop 6%
🗺 Minnesota: #1,863 of 52,454 inventorsTop 4%
Overall (All Time): #117,364 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
7441792 Trailer with convertible handle 2008-10-28
7264082 Convertible ladder Ryan McMunn 2007-09-04
7188706 Stepladder with pivoting utility tray 2007-03-13
7128187 Stepladder with pivoting utility tray 2006-10-31
6886659 Convertible ladder 2005-05-03
6857503 Convertible ladder Ryan McMunn 2005-02-22