Inventor
GRUBBA ROBERT
US7 patents
⚠️ This page may combine multiple inventors who share the name “GRUBBA ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LIONEL LLC
6 patentsUS6765356B1Jul 20, 2004
Control and motor arrangement for use in model train
LIONEL LLC31 citations94
US7307394B1Dec 11, 2007
Control and motor arrangement for use in model train
LIONEL LLC6 citations72
US7298103B2Nov 20, 2007
Control and motor arrangement for use in model train
LIONEL LLC4 citations72
US7211976B2May 1, 2007
Control and motor arrangement for use in model train
LIONEL LLC6 citations72
US7880414B2Feb 1, 2011
Control and motor arrangement for use in model train
LIONEL LLC1 citations61
US7656110B2Feb 2, 2010
Control and motor arrangement for use in model train
LIONEL LLC3 citations61