...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!
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 |
| 6943460 | Control device for hybrid vehicle A control device for a hybrid vehicle, the hybrid vehicle comprising an engine and a motor as power sources, the control device including: a battery device sending energy to and receiving energy from the motor, a temperature sensor for measuring the temperature of t... | 09/13/2005 |
| 6921984 | Drive system for an industrial truck and a method for the operation of the drive system A drive system for an industrial truck, comprising an internal combustion engine, a three-shaft epicyclic gearing adapted to be connected to the shaft of the internal combustion engine, a first electric motor which is mechanically coupled to the second shaft of the ... | 07/26/2005 |
| 6124645 | Electric motor rotor holding arrangement A hill-holding arrangement for an electrically driven vehicle includes a vehicle with a "gas pedal" which generates a torque command signal TCMD. A switch (314) couples TCMD to a motor controller (316, 14) which drives the motor (40)... | 09/26/2000 |
| 5907191 | Power output apparatus and method of controlling the same A power output apparatus 110 includes a planetary gear 120 having a planetary carrier, a sun gear, and a ring gear, an engine 150 having a crankshaft 156 linked with the planetary carrier, a first motor MG1 attached to the sun gear, and a second motor MG2... | 05/25/1999 |