Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7880414 | Control and motor arrangement for use in model train | Dennis J. Denen, Neil Young, Martin Pierson, Robert Grubba | 2011-02-01 |
| 7656110 | Control and motor arrangement for use in model train | Dennis J. Denen, Neil Young, Martin Pierson, Robert Grubba | 2010-02-02 |
| 7307394 | Control and motor arrangement for use in model train | Dennis J. Denen, Neil Young, Martin Pierson, Robert Grubba | 2007-12-11 |
| 7298103 | Control and motor arrangement for use in model train | Dennis J. Denen, Neil Young, Martin Pierson, Robert Grubba | 2007-11-20 |
| 7211976 | Control and motor arrangement for use in model train | Dennis J. Denen, Neil Young, Martin Pierson, Robert Grubba | 2007-05-01 |
| 6765356 | Control and motor arrangement for use in model train | Dennis J. Denen, Neil Young, Martin Pierson, Robert Grubba | 2004-07-20 |