"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7357692 | Historic wooden adventure system and figures Action toys and methods of assembling and using the toys. A first aspect the invention includes assembleable sectioned portions of background play scenes that are easily assembleable and rearrangeable into virtually endless diorama-like arrangements using a speciali... | 04/15/2008 |
| 7147537 | Historic wooden adventure system and figures Action toys and methods of assembling and using the toys. A first aspect the invention includes assembleable sectioned portions of background play scenes that are easily assembleable and rearrangeable into virtually endless diorama-like arrangements using a speciali... | 12/12/2006 |