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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 |
| 4860930 | Quantitative feeding device A quantitative feeding device includes a housing being funnel-shaped, a hollow ball valve capable of sealingly seating in the housing and vertically rotating with respect to the housing between a first and a second positions. The ball valve has an open to... | 08/29/1989 |
| 4720025 | Feeder of loose materials A feeder of loose materials includes a hopper, a chamber with a control section fashioned as a latticed partition having placed thereon kinematically disconnected magnetic bodies, and a source of alternating magnetic field covering the chamber by magnetic... | 01/19/1988 |
