Assignee
REAL RAIL EFFECTS INC
US·2 granted patents·13 citations·filing 2000–2004
Technology mixA63H2
Top patents by PatentIndex Score
2 records- 0164USRE38660ESound recording and reproduction system for model train using integrated digital command controlREAL RAIL EFFECTS INC·Filed 2000·Granted Nov 23, 2004·11 cites·23 claims
- 0244USRE40841ESound recording and reproduction system for model train using integrated digital command controlREAL RAIL EFFECTS INC·Filed 2004·Granted Jul 14, 2009·2 cites·57 claims
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