Inventor
SIMPSON DENNIS
US20 patents
⚠️ This page may combine multiple inventors who share the name “SIMPSON DENNIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRICAM INDUSTRIES INC
10 patentsUS7128187B2Oct 31, 2006
Stepladder with pivoting utility tray
TRICAM INDUSTRIES INC50 citations96
US7887141B2Feb 15, 2011
Articulated utility cart
TRICAM INDUSTRIES INC20 citations91
USD776826SJan 17, 2017
Work platform
TRICAM INDUSTRIES INC27 citations90
US7390065B2Jun 24, 2008
Dumping utility cart
TRICAM INDUSTRIES INC15 citations90
US6857503B2Feb 22, 2005
Convertible ladder
TRICAM INDUSTRIES INC29 citations89
US7188706B2Mar 13, 2007
Stepladder with pivoting utility tray
TRICAM INDUSTRIES INC11 citations84
US7264082B2Sep 4, 2007
Convertible ladder
TRICAM INDUSTRIES INC12 citations80
US7441792B2Oct 28, 2008
Trailer with convertible handle
TRICAM INDUSTRIES INC8 citations73
US7818865B2Oct 26, 2010
Method of making a dumping utility cart
TRICAM INDUSTRIES INC7 citations71
US6886659B2May 3, 2005
Convertible ladder
TRICAM INDUSTRIES INC5 citations62