Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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 |
| 4913060 | Running gear for electric rolling stock A running gear for an electric rolling stock has coupling devices for coupling the output shafts of traction motors to the input shafts of reduction devices which are provided with electrically resistive elements so as to prevent return current from flowi... | 04/03/1990 |
| 4825774 | Underfloor construction of monorail vehicle and method of assembling the same The workability during fabrication of an underfloor construction of a monorail vehicle is improved by reducing the steps of fabrication. An underfloor construction of a monorail vehicle comprises truck enclosures detachably mounted at positions where truc... | 05/02/1989 |
