DB

David J. Brouwer

RO Roto-Mix: 2 patents #6 of 24Top 25%
SI Siemens Industry: 2 patents #214 of 836Top 30%
Overall (All Time): #1,225,397 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8413787 Sweeper sorting apparatus and method Jeffrey R. Giegling 2013-04-09
8397901 Extendable boom brake apparatus and system Jeffrey D. Price 2013-03-19
7191965 Material spreader and method for using same Benjamin R. Neier, Rodney R. Neier, Gregory R. Reimer, Luke D. Prouty, Elizabeth B. Rheingans +9 more 2007-03-20
7172137 Material spreader and method for using same Benjamin R. Neier, Rodney R. Neier, Gregory R. Reimer, Luke D. Prouty, Elizabeth B. Rheingans +8 more 2007-02-06