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 123/74AP - Reduced portion of piston acts as guide


Subclass of Class 123 - Internal-combustion engines
No. of patents: 1
Last issue date: 08/28/2001


NumberTitleIssue Date
6279521Two-cycle engine
A two-cycle engine includes scavenging passages on the cylinder side and the crankcase side as the passages to supply scavenging gas into the cylinder. The passage on the cylinder side includes a passage inside the cylinder sidewall having substantially t... 		08/28/2001
 
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