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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 |
| 4261103 | Tool accessory apparatus A tool accessory having an extensible operative portion which may be stored in a handle portion when not in use. The operative portion is pivotally attached to one end of the handle portion to allow the operative portion to pivot from a fully open positio... | 04/14/1981 |
| 4152553 | Protective helmet with voice communication system An improved protective helmet of the type including a two-way voice controlled communication system having electronic transmitting and receiving circuitry. When incoming signals are received by the voice communication system, a transducer vibrates a rigid... | 05/01/1979 |
| 3964177 | Reinforcing teaching system A self-teaching device which visually indicates the desired response to data presented. In the event an erroneous response is entered into the system, all prior responses are erased, requiring a complete repetition of the previous responses, thereby, rein... | 06/22/1976 |
