Bizarre Patents
A gun that fires a missile, powered by gas "discharged by the operator of the toy."
PatentStorm News
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 |
| 6604689 | Railroad communication tie A railroad communication tie for use in a railway track system is positionable in ballast. The tie includes an elongated unitary steel channel body having a web and a pair of sidewalls formed integral with opposite edges of the web. The channel body has a... | 08/12/2003 |
| 6230981 | Steel railroad sleepers A steel railroad sleeper of inverted channel section whose open ends can selectively be closed by end plates detachably connected one to open end of the sleeper and whose sides incline downwardly and outwardly from the upper rail supporting surface of the... | 05/15/2001 |
| 5836512 | Unitary steel railroad tie An improved unitary steel tie which is positionable in ballast of a railway track system includes an elongated channel body. The channel body includes an elongated web and a pair of sidewalls formed integral with opposite edges of the web. The channel bod... | 11/17/1998 |
