U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Patent No. 5823572

Self Defense Weapon With Memo

A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.

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Class 472/74 - Illusion caused by abnormal interior building structure appearing normal


Subclass of Class 472 - Amusement devices
Definition: Amusement device wherein the illusionary effect created
No. of patents: 7
Last issue date: 08/30/2005


NumberTitleIssue Date
6935961Conjuring tool for performing coin increasing trick
With a view to providing a conjuring tool which is simple in construction and operation, an interior of a case main body 2 is divided by a partition plate 5 into two portions such as a coin accommodating portion 6 for accommodating coins 20
08/30/2005
6202666Tent with a photographic panoramic facsimile of a real space on its surface
A tent having a panoramic image displayed thereon and method for making same. An observer inside the tent is surrounded by a panoramic or continuous image, giving him the illusion of being in the space represented by the image. The image is applied to fla...
03/20/2001
6152829Device and process for producing effects
A device and a process for producing effects of waterfall, rain, garden, mountains, desert, animals, kitchen and river scenes while viewing a picture, an advertisement or playing amusement games in a cinema hall/open theater/TV is disclosed. The device in...
11/28/2000
6139160Structure for generating a virtual polyhedral space
A structure capable of generating a virtual polyhedral space includes a plurality of walls, each having a first side edge, a second side edge, and a reflective surface. The walls are disposed adjacent one another, with the first side edge of each wall adj...
10/31/2000
6135601Architectural structure for generating a virtual polyhedral space
An architectural structure capable of generating a virtual polyhedral space includes a plurality of walls, each having a first side edge, a second side edge, and a reflective surface. The walls are disposed adjacent one another, with the first side edge o...
10/24/2000
6074307Set transformation effect
An amusement attraction provides a set transformation effect. The audience watches a presentation in a viewing area. A moveable, open-bottomed flying set piece is located at a raised position above the viewing area. The flying set piece is hidden from the...
06/13/2000
4428575Optical illusion chamber
An optical illusion device consisting of a three section backmember, one end section being larger and having features proportionally larger than features common to the smaller end section and positioned proportionally farther distance from a vertical plan...
01/31/1984
 
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