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Cipher mixer with random number generator
This invention solves these and other problems by providing a combination block cipher with an effective key length greater than that of its components. This invention ...
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Modular athletic playing surface with tuned compliance
A horizontally extending athletic playing surface characterized by a relatively large degree of vertical compliance is formed by a mosaic array of modules closely spaced ...
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Hand-held retina photographing apparatus
I claim: 1. A portable apparatus for use in photographing an eye or the like, comprising first mounting means for mounting an optical image-forming means for forming an ...
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Anchoring means for door lock plates
I claim: 1. An anchoring arrangement for a door plate of a lock, said plate being secured to a door or the like by means of at least one upper and one lower securing ...
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Pallet-bar lift and support apparatus
I claim: 1. A bar-lift and support apparatus for cargoe pallets including a pair of allochirally arranged lift-support units, each of said units comprising: an elongated ...
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Latch hook rug holder
I claim as my invention: 1. A latch hook rug holder for attachment to a table or the like, comprising: a. a first handle member comprising a first body portion and a ...
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Latch mechanism with jamb mounted latch bolt
The present invention overcomes these inadequacies of the conventional type of door lock by providing a novel latch mechanism in which the latch bolt is moveably carried ...
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Lock arrangement for a vehicle sliding door
It is an object of this invention to provide a vehicle sliding door lock arrangement which can adequately withstand vehicle collisions. In accordance with this invention,...
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Waste matter removal implement and receptacle
It is a general object of the invention to provide a waste matter removal implement which is fully self-contained and is disposable. It is another object of the ...
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Anti-shim safety device for preventing wrongful disengagement of door latches
I Claim: 1. In combination with structure defining a jamb and stop rail for a door, guard means to prevent insertion of shim-like articles between the jamb, rail and ...
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