| 9511303 |
Signaling and remote control train operation |
— |
2016-12-06 |
| 9449590 |
Low frequency audio sound effects in model railroading |
Pat Quinn |
2016-09-20 |
| 8701562 |
Signaling and remote control train operation |
— |
2014-04-22 |
| 8408143 |
Sound systems for model railroad locomotives |
— |
2013-04-02 |
| 8166887 |
Sound systems for model railroad locomotives |
— |
2012-05-01 |
| 8070108 |
Signaling and remote control train operation |
— |
2011-12-06 |
| 7954435 |
Sound systems for model railroad locomotives |
— |
2011-06-07 |
| RE42284 |
Signaling techniques for DC track powered model railroads |
Patrick A. Quinn |
2011-04-12 |
| 7859424 |
Proximity control of on-board processor-based model train sound and control system |
— |
2010-12-28 |
| 7770847 |
Signaling and remote control train operation |
— |
2010-08-10 |
| 7451708 |
Sound systems for model railroad locomotives |
— |
2008-11-18 |
| 7429931 |
Proximity control of on-board processor-based model train sound and control system |
— |
2008-09-30 |
| 6230140 |
Continuous sound by concatenating selected digital sound segments |
Patrick A. Quinn |
2001-05-08 |
| 5940005 |
Method and apparatus for storing and utilizing a unique power down state in a model railroad system |
Patrick A. Quinn |
1999-08-17 |
| 5896017 |
Model train locomotive with doppler shifting of sound effects |
Patrick A. Quinn |
1999-04-20 |
| 5832431 |
Non-looped continuous sound by random sequencing of digital sound records |
Patrick A. Quinn |
1998-11-03 |
| 5773939 |
Command control for model railroading using AC track power signals for encoding pseudo-digital signals |
Patrick A. Quinn |
1998-06-30 |
| 5633985 |
Method of generating continuous non-looped sound effects |
Patrick A. Quinn |
1997-05-27 |
| 5590856 |
Complex switch turn-out arrangements using proximity selection |
Patrick A. Quinn |
1997-01-07 |
| 5492290 |
Model railroad operation using proximity selection |
Patrick A. Quinn |
1996-02-20 |
| 5448142 |
Signaling techniques for DC track powered model railroads |
Patrick A. Quinn |
1995-09-05 |
| 5394068 |
Automatic initialization in a model railroad motor control system |
Patrick A. Quinn |
1995-02-28 |
| 5267318 |
Model railroad cattle car sound effects |
Patrick A. Quinn |
1993-11-30 |
| 5184048 |
Model railroad reversing motor control system |
Patrick A. Quinn |
1993-02-02 |
| 4914431 |
Electronic control system for model railroads |
Patrick A. Quinn |
1990-04-03 |