EM

Eric Matthias

PE Pengo: 4 patents #2 of 10Top 20%
Overall (All Time): #1,207,739 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D772305 Auger flight stabilizer gusset 2016-11-22
9127513 Variable geometry auger coupler 2015-09-08
8615906 Drilling bucket Michael Reinert 2013-12-31
7669673 Auger having interchangeable cutting heads and method of using the same Justin Reese 2010-03-02