Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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 |
| 7306525 | Golf putting practice device A golf putting practice device to be used as being attached to a part of a body of a golfer is provided. The golf putting practice device includes: a laser indicator that irradiates a laser beam; an arm band that detachably attaches the laser indicator to an arm of ... | 12/11/2007 |
| 6522757 | Bass intensification device for speaker system In a bass intensifying device for a speaker system, a passive radiator (5) constructed by a speaker having a voice coil (7) is disposed at a location where it receives a sound pressure from a main speaker (1) driven by a main amplifier (4). A motion feed-... | 02/18/2003 |
