An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
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| Number | Title | Issue Date |
| 4358243 | Multiple rotary wind power systems A wind power system driven by multiple rotary devices strung on a cable.... | 11/09/1982 |
| 4311435 | Balanced power transmission device A balanced power transmission device having specific utility for windmill applications utilizing conventional propellers on a horizontal shaft. The horizontal propeller shaft is located on a tower and drives a pair of freely rotating gears in opposite dir... | 01/19/1982 |
| 4224012 | Timing mechanism for wind motors A plate is carried by the blade support shaft journalled within the frame of a wind motor. The axle shaft of the blade is securable to the plate at variable distances relative the support shaft to selectively vary the offset of the blade. A primary drive ... | 09/23/1980 |
| 4211126 | Wind machine system for pushing and lifting loads and having improved counterbalancing A wind machine has a tower frame formed by four converging beams. At the top of the tower is a gear head connected to a wind driven rotatable multibladed rotor. Connected to the gear head is a vertical shaft which is reciprocated vertically as the rotor r... | 07/08/1980 |
| 4068131 | Wind electric plant A multiblade, wind-driven, variable pitch propeller is used in a wind electric plant for the generation of electrical power from wind forces, and the propeller is rotatable in a plane at an angle to the tower axis, enabling larger propellers to be used wi... | 01/10/1978 |