DP

David Scott Penrose

BL Blount: 3 patents #36 of 164Top 25%
Overall (All Time): #1,236,975 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7891279 Shear resistant rivet and saw chain Chris Seigneur, Michael Goettel 2011-02-22
7891925 Shear resistant rivet and saw chain Christopher D. Seigneur, Mike Goettel 2011-02-22
7563064 Shear resistant rivet and saw chain Chris Seigneur 2009-07-21
6427342 Lightweight chain saw bar Robert H. Breitbarth 2002-08-06