Inventor

GRANTHAM DENNIS

US2 patents

⚠️ This page may combine multiple inventors who share the name “GRANTHAM DENNIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PROGRESS RAIL SERVICES CORP

1 patent

US8365673B2Feb 5, 2013

System and method for railroad track tie plate collection from a rail bed

PROGRESS RAIL SERVICES CORP5 citations67

PLYLER MARK

1 patent

US8082852B2Dec 27, 2011

System and method for railroad track tie plate orientation

PLYLER MARK5 citations52