Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 6768944 | Method and system for controlling a vehicle Control system and method for controlling a vehicle or a component of a vehicle in which an inertial reference unit includes accelerometers and gyroscopes which provide data on vehicle motion and a processor processes the data and controls the vehicle or the compone... | 07/27/2004 |
| 5501347 | Variable angle friction clutch mechanism for a draft gear assembly A draft gear assembly having a variable angle friction clutch mechanism is provided. Such assembly includes a housing member having a compressible cushioning element disposed adjacent a closed end thereof. A seat is disposed between one end of the compres... | 03/26/1996 |
| 5495957 | Variable angle friction clutch mechanism for a draft gear assembly A draft gear assembly having a variable angle friction clutch mechanism is provided. Such assembly includes a housing member having a compressible cushioning element disposed adjacent a closed end thereof. A seat member is disposed between one end of the ... | 03/05/1996 |
| 5443170 | Variable angle friction clutch mechanism for a draft gear assembly A draft gear assembly having a variable angle friction clutch mechanism is provided. The assembly includes a housing member having a compressible cushioning element disposed adjacent a closed end thereof. A seat member is disposed between one end of the c... | 08/22/1995 |
