Inventor
KELLEY DAVID J
US7 patents
⚠️ This page may combine multiple inventors who share the name “KELLEY DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUTTON GERALD S
4 patentsUS8820800B2Sep 2, 2014
Multi-wall corrugated pipe couplings and methods
SUTTON GERALD S14 citations81
US8820801B2Sep 2, 2014
Multi-wall corrugated pipe couplings and methods
SUTTON GERALD S17 citations81
US8579624B2Nov 12, 2013
Systems and methods for making multi-wall corrugated pipe
SUTTON GERALD S14 citations80
US8114324B2Feb 14, 2012
Apparatus and method for pressing an outer wall of pipe
SUTTON GERALD S3 citations60