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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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Inventor: David B. Engel


Address: The Woodlands, TX
No. of applications: 6
Last application issue date: 12/08/2011

Application No.Application TitleIssue Date
20110301061HIGH THROUGHPUT EXPERIMENTATION METHODS FOR PHASE SEPARATION
A process for testing the effectiveness of demulsifying additives on oil/water emulsions includes adding samples containing differing combinations of oil, water and demulsifier to a plurality of elongate reactor vials, wherein each the elongate reactor vial has a longit...
12/08/2011
20110014087MATERIAL COMPOSITIONS FOR SENSORS FOR DETERMINATION OF CHEMICAL SPECIES AT TRACE CONCENTRATIONS AND METHOD OF USING SENSORS
A method of quantitatively measuring the concentration of a chemical species in a sample solution with a sensor film. A hydrogel sensor film is prepared having a chemical composition comprising an indicator that changes its optical property in the ultra-violet, visible ...
01/20/2011
20100015720Dynamic desalter simulator
A small-scale dynamic simulator for crude oil refinery desalters has a pressurized oil deviblis configured to hold a supply of crude oil and a water deviblis configured to hold a supply of wash water. At least one chemical feed pump selectively adds emulsion breaker che...
01/21/2010
20070092973Material compositions for sensors for determination of chemical species at trace concentrations and method of using sensors
A method of quantitatively measuring the concentration of a chemical species in a sample solution with a sensor film. A hydrogel sensor film is prepared having a chemical composition comprising an indicator that changes its optical property in the ultra-violet, visible ...
04/26/2007
20060151070Rinsable metal pretreatment methods and compositions
Chromate-free and metal phosphate free treatments and compositions for applying a conversion or passivation coating for metals, more particularly, steel, zinc coated steel, and aluminum surfaces. The methods of the invention comprise contacting the requisite metal surfa...
07/13/2006
20060054526Medical article and method of making and using the same
The packaged medical article can comprise the medical article and a protective layer capable of inhibiting exposure of the medical article to a color change activator prior to use of the medical article. The medical article comprises a plastic portion and an active colo...
03/16/2006
 
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