"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
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5008647 | Wireless bicycle wheel monitor system A wireless data display system has a receiver/display unit tuned to the same frequency as a sensor/transmitter unit for monitoring wheel rotation for a vehicle such as a bicycle. The two units are preferably battery powered, and their circuits are designe... | 04/16/1991 |
| 4946407 | High current connectors and methods of assembly A high current carrying connector plug and receptacle are disclosed. The plug comprises a body of electrical insulating material with plurality of shaped passages extending therethrough, electrical conductors having a flat blade contact portion, a stop me... | 08/07/1990 |
| 4896774 | Spacer tray for packaging containers A spacer tray 2 for containers 32 is formed of a moldable sheet material and is shaped to provide a plurality of container-bottom receptacles 4. Each container-bottom receptacle 4 is shaped to receive at least a part of a bottom portion of a container 32.... | 01/30/1990 |
| 4890228 | Electronic income tax refund early payment system Electronic data processing system for preparation of electronically filed tax returns and authorization and payment of refunds based on the data supplied in those returns. Electronic data processing programs are provided for creating an electronic tax ret... | 12/26/1989 |