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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Assignee: Process Evaluation and Development Corporation


Location: Dallas, TX
No. of patents: 6

NumberTitleIssue Date
4889591Crotalaria juncea paper pulps
The present process produces a long fiber suitable for making various paper products. The long fiber is derived from Crotalaria juncea. The processing consists of a particular technique for preparing the fiber for digestion and a particular digestion sequ...
12/26/1989
4857145Process for making a pulp from bamboo
Bamboo can be formed into a suitable pulp if prior to digestion it undergoes a process of shredding, washing and wet depithing. The fibers are then chemically digested preferably by a process which uses rapid pressure drops to open the fibers using the en...
08/15/1989
4689117Thermomechanical digestion process for enhancing the brightness of cellulose pulp using bleachants
The brightness of a thermomechanical pulp can be improved if a serial multiple blowdown technique is used and a bleachant is present at an effective concentration throughout the thermomechanical pulping process....
08/25/1987
4641792Fiber depither
The fiber depither consists of an upper array of feeder blades and a lower array of fan blades. These blades remove more particulate while resulting in less fiber damage....
02/10/1987
4635322Fiber washer
An improved fiber washer provides for a water recirculation technique which assists in moving the fibers through the washer and assists in the separation of heavy debris from the fibers....
01/13/1987
3992754Method for cleaning bagasse fiber using a U-shaped wash path
Method for cleaning fibrous vegetable materials to remove trash components (such as coarse sand, stones, rocks, metallic particles, shives, dirt and the like)....
11/23/1976
 
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