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| Number | Title | Issue Date |
| 6827023 | Model train control system A system which operates a digitally controlled model railroad transmitting a first command from a first client program to a resident external controlling interface through a first communications transport. A second command is transmitted from a second client program... | 12/07/2004 |
| 6530329 | Model train control system A system which operates a digitally controlled model railroad transmitting a first command from a first client program to a resident external controlling interface through a first communications transport. A second command is transmitted from a second cli... | 03/11/2003 |
| 6460467 | Model train control method A system which operates a digitally controlled model railroad transmitting a first command from a first client program to a resident external controlling interface through a first communications transport. A second command is transmitted from a second cli... | 10/08/2002 |
| 6065406 | Model train control system A system which operates a digitally controlled model railroad transmitting a first command from a first client program to a resident external controlling interface through a first communications transport. A second command is transmitted from a second cli... | 05/23/2000 |
| 5791602 | Plate antenna method using integral noise mitigation for railway cab signal Cab signalling apparatus for use on-board a vehicle which is propelled on tracks having a cab signal transmitted through rails. One or more plate mounted antenna is positioned above a rail to induce therein a signal representative of the cab signal curren... | 08/11/1998 |
| 5234184 | Locomotive axle mounted cab signaling sensor A sensing device mounted on a railway locomotive vehicle axle assembly to sense signalling currents conducted through the axle. The device also serves to protect the critical traction motor support bearing from contamination by foreign substances. The sen... | 08/10/1993 |
| 4947759 | Proximity control system A proximity switching system comrising a plurality of self-propelled vehicles mounted in tandem on a track and carrying magnetic proximity switches for controlling the vehicle propulsion. Each vehicle has a first magnet mounted on the front end at a first... | 08/14/1990 |
