Invention Grant
US4438940A Portable ice fishing enclosure 失效
便携式冰钓箱

Portable ice fishing enclosure
Abstract:
A combination sled and shelter device for use while ice-fishing or the like comprising a drumshaped container body disposed on a pair of snow runners and having doors in the cylindrical drum surface. To use the device as a shelter, one stands the device on the runner ends and sits within the container body.
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