Inventor
GRAF DAVID M
US9 patents
⚠️ This page may combine multiple inventors who share the name “GRAF DAVID M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ESCO CORP
8 patentsUS7367144B2May 6, 2008
Wear member for excavating equipment
ESCO CORP154 citations98
US6993861B2Feb 7, 2006
Coupling for excavating wear part
ESCO CORP65 citations97
US9855560B2Jan 2, 2018
Hammer for shredding machines
ESCO CORP4 citations71
US10022724B2Jul 17, 2018
Stepped shredder hammers
ESCO CORP4 citations66
USD731565SJun 9, 2015
Stepped hammer for shredding machines
ESCO CORP2 citations61
US10471435B2Nov 12, 2019
Hammer for shredding machines
ESCO CORP1 citations60
USD731564SJun 9, 2015
Hammer for shredding machines
ESCO CORP1 citations60
USD792488SJul 18, 2017
Hammer for shredding machines
ESCO CORP0 citations50