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Thomas Watson, chairman of IBM ; 1943
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| Number | Title | Issue Date |
| 6530248 | Lock device This invention relates to a lock assembly to be used in conjunction with two or more padlock assemblies. The lock assembly comprises a main body 1, a main shackle 2, and a locking portion 7. When all subsidiary padlocks 5, 6 are locked into the apertures ... | 03/11/2003 |
| 6393411 | Device and method for authorized funds transfer A secure funds device for use with a computer system, such as a personal computer, for transferring funds, in response to a funds transfer request for amounts of funds from the computer system, to a funds receiver. One or more electronic cash devices stor... | 05/21/2002 |
| 5845519 | Two piece shackle padlock A padlock concept consisting of a novel shackle comprised of two tapered shackle elements arranged so that they overlay each other to enclose and opening sufficient to accept the staple of a hasp or attachment device. The shackle elements are connected at... | 12/08/1998 |
| 5524462 | Two piece shackle padlock A padlock concept consisting of a novel shackle comprised of two tapered shackle elements arranged so that they overlay each other to enclose and opening sufficient to accept the staple of a hasp or attachment device. The shackle elements are connected at... | 06/11/1996 |
| 5253496 | Simple bicycle lock structure A simple bicycle lock structure which comprises an outer cylinder and a shackle; one end of the outer cylinder is mounted with a locking assembly, while the other end thereof is mounted with an outer-cylinder-positioning assembly, in which a movable sleev... | 10/19/1993 |
| 4987753 | Padlock An improved padlock, and in particular, one having a lock body which has a pivot at one end and a lock mechanism at its other end, a shackle having two legs of equal length where one leg is connected to an elliptical connecting end and the other leg is co... | 01/29/1991 |
| 4730470 | Security lock An improved security lock for automobiles and the like and of the type designed to lock a control pedal and the steering wheel together is disclosed. The security lock includes a telescopic part featuring an improved length adjustment for speed and streng... | 03/15/1988 |
| 4372137 | Lock A lock of the type preferably used with sliding doors having first and second elements constituted by solid cast material, the first element having a head disposed at one end thereof with a recess and a cavity therein. The second element is rotatably moun... | 02/08/1983 |
| 4226099 | Padlock The present invention relates to a padlock designed for application in the locking of sliding doors with two panels that meet by their butt ends or vertical edges, which are held fast to one another by the padlock itself, being constituted by two flat bod... | 10/07/1980 |
| 4070879 | Lightweight-type detachable lock A light-weight type lock having a body assembly and a pair of detachable hasps which protrude from opposite ends of the body. The body is box-like in form with movably related cover and configured body, securable together by keylock operation. The hasp en... | 01/31/1978 |