Inventor
KURDZIEL JOHN M
US8 patents
⚠️ This page may combine multiple inventors who share the name “KURDZIEL JOHN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ADVANCED DRAINAGE SYST
3 patentsUS6572118B2Jun 3, 2003
Flexible seal member for non-metallic conduit to concrete manhole junction
ADVANCED DRAINAGE SYST8 citations72
US7690691B2Apr 6, 2010
Coupler for joining plastic and concrete pipe
ADVANCED DRAINAGE SYST4 citations60
US7052210B2May 30, 2006
Inlet collar for highway culverts
ADVANCED DRAINAGE SYST2 citations60