U.S. patents available from 1976 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 5/642 - Including springs


Subclass of Class 5 - Beds
Definition: Subject matter wherein the head or neck supporting means
No. of patents: 6
Last issue date: 03/06/2007


NumberTitleIssue Date
7185378Adjustable pad/pliable flexible support
An adjustable support/pad that retains any shape to which it is configured and which may be reshaped to serve another purpose. The support/pad has at least one pliable coil spring in the shape of a flexible tube capable of being bent into multiple positions and hold...
03/06/2007
6101651Pillow core
A novel pillow core is made of plastic springs. A plurality of springs are connected together by a plastic link frame to form an actual pillow shape. The pillow core made of the plastic springs has strong supporting capacity, good elasticity and ventilati...
08/15/2000
5343582Hair style protecting head rest
A head rest for supporting an individual's head when resting or sleeping to protect their coiffure which includes a pivoted base from which vertically extend a first "comb-like" cradle for engaging the individual's head above their ears and a second cushi...
09/06/1994
5313678Acoustical pillow
A pillow adapted to support the head of a user includes a core having an axis extending through a central section and opposing end sections. The central section has a thickness adapted to support the head of a user and a length generally equivalent to the...
05/24/1994
4711230Chiropractic adjustment device
A chiropractic adjustment device for use in applying toggle recoil to a vertebrae comprises a headrest placed upon a set of compression springs mounted atop a base. The device includes a pair of latches that have a catch formed with a series of catch elem...
12/08/1987
4211208Container for a heat storage medium
A container is disclosed for storing a heat storage medium which changes ween solid and fluid states to store and release heat, characterized in that the container includes flexible walls which are displaced to vary the volume of the container in accorda...
07/08/1980
 
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