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Self Containing Enclosure for Protection from Killer Bees
A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.
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| Number | Title | Issue Date |
| 6511764 | Voltaic pile with charge equalizing system A voltaic pile has first and second terminals by which it is charged and discharged. The pile comprises a plurality of modules (3), each having respective third and fourth terminals with a plurality of voltaic cells connected in series therebetween. The m... | 01/28/2003 |
| 6453417 | Microcontroller with secure signature extraction A controller contains software which, when triggered in some prearranged way such as assertion of an input to the controller, calculates a digital signature for the contents of the protected memory of the controller. The digital signature is preferably ex... | 09/17/2002 |
