Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10814238 | Overlay speed improvements for a layout control system | — | 2020-10-27 |
| 9320979 | Sound definition language method with inline modifiers | — | 2016-04-26 |
| 9050539 | Control expansion for conventionally powered model railroads | — | 2015-06-09 |
| 8292237 | Control expansion for conventionally powered model railroads | — | 2012-10-23 |
| 8229582 | Sound definition language method with inline modifiers | — | 2012-07-24 |
| 7726612 | Control expansion for conventionally powered model railroads | — | 2010-06-01 |
| 7549610 | Control expansion for conventionally powered model railroads | — | 2009-06-23 |
| 7164368 | Multi-channel proportional user interface for physical control applications | — | 2007-01-16 |
| 6747579 | Variable whistle pitch control for model train layouts | — | 2004-06-08 |
| 6729584 | Model railroad occupancy detection equipment | — | 2004-05-04 |
| 6545886 | Power conditioning for model railroad control decoders | — | 2003-04-08 |
| 6536716 | Conversion throttle interface for model railroads | Hiroshi Kato | 2003-03-25 |
| 6533224 | Power and impedance control methods for model railroads | — | 2003-03-18 |
| 6533223 | Model railroad occupancy detection equipment | — | 2003-03-18 |
| 6513763 | Mode-conversion method for model railroad decoders | — | 2003-02-04 |
| 6367742 | Power and impedance control methods for model railroads | — | 2002-04-09 |
| 6318678 | Model railroad occupancy detection equipment | — | 2001-11-20 |
| 6275739 | Attached logic module technique for control and maintenance in a distributed and networked control system | — | 2001-08-14 |
| 6220552 | Model railroad detection equipment | — | 2001-04-24 |
| 5191300 | Local area network amplifier for twisted pair lines | Martin H. Graham, Mark S. Miller, Matthew A. Taylor | 1993-03-02 |
| 4806097 | Fuser assembly for an electrophotographic print engine | Charles S. Palm, Danny L. Slayton, Khosrow Lak, Peter F. Sampson, David R. Davis +4 more | 1989-02-21 |
| 4705385 | Print engine for color electrophotography | Charles S. Palm, Danny L. Slayton, Khosrow Lak, Peter F. Sampson, David R. Davis +4 more | 1987-11-10 |
| 4699079 | Toner modules for electrophotographic print engine | Charles S. Palm, Danny L. Slayton, Khosrow Lak, Peter F. Sampson, David R. Davis +4 more | 1987-10-13 |
| 4697920 | Improved print quality monitoring for color electrophotography | Charles S. Palm, Danny L. Slayton, Khosrow Lak, Peter F. Sampson, David R. Davis +4 more | 1987-10-06 |
| 4652115 | Print engine for color electrophotography | Charles S. Palm, Danny L. Slayton, Khosrow Lak, Peter F. Sampson, David R. Davis +4 more | 1987-03-24 |