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 204/157.78 - Oxygen containing


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Subject matter wherein the sulfur product produced also
No. of patents: 41
Last issue date: 09/23/2003


  2  
NumberTitleIssue Date
3940374Synthesis of polythiol polymer intermediates from polyunsaturated hydrocarbons
Polythiols having more than two terminal and/or pendant thiol groups per polymer molecule are formed by the free radical catalyzed addition of a monomer system made up of either hydrogen sulfide or a dithiol alone or in combination with an acetylenic comp...
02/24/1976
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