U.S. patents available from 1976 to present.
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...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!

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Class 267/37.2 - Spiral or elastic covering


Subclass of Class 267 - Spring devices
Definition: Spring device including a casing which encloses the spring
No. of patents: 5
Last issue date: 11/06/2007


NumberTitleIssue Date
5947487In-line skate with a flexing cuff
An in-line skate is disclosed having a frame with a plurality of wheels and a boot coupled to the frame. The boot has a cuff and lower shell connected by a resilient connecting member that permits flexing along substantially the entire length of the membe...
09/07/1999
5865456Bicycle flex joint with non-torsional encasement
A flex joint for a vehicle frame has a flexible member fabricated of a durable material and a body formed upon the flexible member. The body is configured to define a desired bending of the flexible member at a bending site which is surrounded by a longit...
02/02/1999
5797613Bicycle flex joint
A flex joint for a vehicle frame has a flexible member fabricated of a durable material and a body formed upon the flexible member. The body is configured to define a desired bending of the flexible member. Either the flexible member or the body is config...
08/25/1998
5354091Wheeled vehicle suspensions
Air-ride suspensions for vehicles include composite leaf springs having fibers embedded in a resin matrix. Air springs are interposed between the leaf springs and the vehicle adjacent free ends of the leaf springs....
10/11/1994
 
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