P

Inventor

VANMALDEGIAM MICHAEL D

US6 patents
⚠️ This page may combine multiple inventors who share the name “VANMALDEGIAM MICHAEL D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MINER ENTERPRISES

3 patents
US7044061B2May 16, 2006

Railroad car energy absorption apparatus

MINER ENTERPRISES19 citations91
US6862999B2Mar 8, 2005

Railroad car energy absorption apparatus

MINER ENTERPRISES19 citations91
US6792871B2Sep 21, 2004

Railroad car energy absorption apparatus

MINER ENTERPRISES28 citations91

O'DONNELL WILLIAM P

2 patents
US8201504B2Jun 19, 2012

Railcar constant contact side bearing assembly

O'DONNELL WILLIAM P8 citations76
USRE44177EApr 30, 2013

Railroad car energy absorption apparatus

O'DONNELL WILLIAM P0 citations48

ASPENGEN PAUL B

1 patent
US8807050B2Aug 19, 2014

Railcar constant contact side bearing assembly

ASPENGEN PAUL B3 citations53