An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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| Number | Title | Issue Date |
| 7293511 | Gasification apparatus and method An apparatus and method for the treatment of particulate organic waste material, the apparatus comprising: a hopper means having flow control means for controlling flow rate of the waste material; a pyrolysis unit having (i) a heating means for heating the material,... | 11/13/2007 |