Inventor

BROUWER DAVID J

US4 patents

⚠️ This page may combine multiple inventors who share the name “BROUWER DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROTO MIX LLC

2 patents

US7172137B2Feb 6, 2007

Material spreader and method for using same

ROTO MIX LLC12 citations78

US7191965B2Mar 20, 2007

Material spreader and method for using same

ROTO MIX LLC9 citations68

BROUWER DAVID J

2 patents

US8413787B2Apr 9, 2013

Sweeper sorting apparatus and method

BROUWER DAVID J8 citations72

US8397901B2Mar 19, 2013

Extendable boom brake apparatus and system

BROUWER DAVID J6 citations65