...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7269279 | Currency bill and coin processing system An integrated system for processing currency bills, coins, and other media includes a compact currency bill processing device, a coin scale, a keyboard, and a processor integrated into a housing as a single unit. The bill processing device is used for counting curre... | 09/11/2007 |
| 7248731 | Method and apparatus for currency discrimination An improved method and apparatus for discriminating between currency bills of different denominations uses an optical sensing and correlation technique based on the sensing of bill reflectance characteristics obtained by illuminating and scanning a bill along one of... | 07/24/2007 |
| 7232024 | Currency processing device A currency evaluation device for receiving a stack of currency bills and rapidly evaluating all the bills in the stack. The device comprises an input receptacle for receiving a stack of bills to be evaluated and a plurality of output receptacles for receiving the bi... | 06/19/2007 |
| 7158662 | Currency bill and coin processing system A compact system for processing currency bills and coins comprises a compact currency bill processing device, a coin scale, and a processor communicatively linked to the currency bill processing device and the coin scale. The compact currency bill processing device ... | 01/02/2007 |
| 7016767 | System and method for processing currency and identification cards in a document processing device A document processing device having an evaluation region disposed along a transport path between an input and output receptacle capable of processing both currency bills and identification cards. An evaluation unit enables entry of source identification information ... | 03/21/2006 |
| 6959800 | Method for document processing A currency evaluation device for receiving a stack of currency bills and rapidly evaluating all the bills in the stack. The device comprises an input receptacle for receiving a stack of bills to be evaluated and a plurality of output receptacles for receiving the bi... | 11/01/2005 |
| 6957733 | Method and apparatus for document processing A currency evaluation device for receiving a stack of currency bills and rapidly evaluating all the bills in the stack. The device comprises an input receptacle for receiving a stack of bills to be evaluated and a plurality of output receptacles for receiving the bi... | 10/25/2005 |
| 6955253 | Apparatus with two or more pockets for document processing A currency evaluation device for receiving a stack of currency bills and rapidly evaluating all the bills in the stack. The device comprises an input receptacle for receiving a stack of bills to be evaluated and a plurality of output receptacles for receiving the bi... | 10/18/2005 |
| 6932208 | Avoiding bill being extracted apparatus The present invention describes an apparatus for preventing extraction of a bill from a money exchange machine. This apparatus uses a main roller, an auxiliary roller, two supporters, a lead board and a protection board. The two ends of both the main roller and the ... | 08/23/2005 |
| 6915893 | Method and apparatus for discriminating and counting documents A currency evaluation device for receiving a stack of currency bills and rapidly evaluating all the bills in the stack. The device includes an input receptacle for receiving a stack of bills to be evaluated and a single output receptacle for receiving the bills afte... | 07/12/2005 |
| 6913130 | Method and apparatus for document processing A currency evaluation device for receiving a stack of currency bills and rapidly evaluating all the bills in the stack. The device comprises an input receptacle for receiving a stack of bills to be evaluated and a plurality of output receptacles for receiving the bi... | 07/05/2005 |
| 5944162 | Coin hopper measurement and control system The present invention provides a weighing apparatus for weighing coins accumulated in a coin hopper using a load cell and automatically taking a periodic readings of the number of coins accumulated in the hopper. By periodically monitoring the hopper and ... | 08/31/1999 |
| 5577589 | Document handler A banknote selector comprises an aperture obstructed by a balance rotary shutter, the angular position of which is insensitive to the vibrations of the selector.... | 11/26/1996 |
| 5184707 | Coin operated timing mechanism A coin operated timing mechanism for a parking meter and the like including a time display, a microprocessor for controlling the setting and operation of the display, a battery or similar self-contained power source, and a power regulation sub-system desi... | 02/09/1993 |
| 5091713 | Inventory, cash, security, and maintenance control apparatus and method for a plurality of remote vending machines A monitoring system for monitoring a vending machine at a remote location, the monitoring system including an inventory sensing system for providing a continuous update of the inventory in the vending machine, an alarm system to signal when the vending ma... | 02/25/1992 |
| 5018692 | Vending machine antirock mechanism A vending machine antirock mechanism is disclosed which is a safety feature for a soft drink vending machine to prevent rocking of the vending machine. The antirock ratchet mechanism prevents oscillatory rocking of a vending machine by a potential pilfere... | 05/28/1991 |
| 4651861 | Coin slide jamming mechanism A jamming mechanism for a coin-operated vending machine has a first slide member movable between a normal checked position in which the vending machine is locked out of service and a coin-activated operative position in which the vending machine is placed... | 03/24/1987 |
| 4080598 | Safety circuit for electric device A protective device for coin operated vending and game machines prevents machine operation and sounds an alarm for a predetermined time after either the machine is struck or power to the machine is interrupted.... | 03/21/1978 |
| 3941354 | Anti two-blocking device A fail-safe cable cutter device which prevents the release or loss of an ect lifted by a cable through a pulley in the event the object accidentally strikes the pulley and is lifted beyond its safe load condition; i.e., the object is "two-blocked."... | 03/02/1976 |