Bizarre Patents
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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| Number | Title | Issue Date |
| 4979472 | Internal combustion engine having a hermetically sealed heat exchanger tube system Disclosed is a radiator located above an engine forming a hermetically sealed heat exchanger tube system. The engine can quickly heat up. The coolant circulates by an evaporitive - condensing cycle.... | 12/25/1990 |
| 4658765 | Cooling system for automotive engine or the like In order to simplify the control and construction of the cooling system in a manner which avoids the need for costly electromagnetic valves and control circuits such as microprocessor and the like, a reservoir in which coolant is stored is arranged to con... | 04/21/1987 |
